sesqui-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

A Latin prefix [Latin sesqui- , also sesque- , contraction of *sēmis-que a half in addition; compare sestertius n., < *sēmis-tertius] , expressing a superparticular ratio.

(a) With designations of measure or amount, denoting one-and-a-half times the unit; as sesquihōra an hour and a half; sesquipēs a foot and a half (see sesquipedalian adj. and n.).

† sesquiˈhoral adj. Obsolete lasting an hour and a half.

ΘΠ

the world > time > period > hour > [adjective] > lasting specific number of hours

sesquihoral1652

houred1665

hour-long1803

twenty-four-hour1908

1652 T. Urquhart Εκσκυβαλαυρον 241 Their tedious pharisaical prayers before Supper, and Sesquihoral Graces upon a dish of Skink, and leg of Mutton.

Categories »

sesquiocellus n.

Brit.

/ˌsɛskwɪə(ʊ)ˈsɛləs/

/ˌsɛskwɪɒˈsɛləs/

U.S.

/ˌsɛskwiˌoʊˈsɛləs/

Entomology (see sesquialterous adj.).

† ˈsesquitone n. Music Obsolete an interval consisting of a tone and a semitone, a minor third.

ΘΚΠ

society > leisure > the arts > music > musical sound > pitch > interval > [noun] > third > minor

sesquitone1694

trihemitone1694

1694 W. Holder Treat. Harmony iv. 80 The Third Minor, Trihemitone, or Sesquitone, as consisting of three half Tones, (or rather of a Tone and half a Tone).

(b) Also used loosely in:

† sesquiˈdecuman adj. Obsolete consisting of fifteen.

ΘΚΠ

the world > relative properties > number > specific numbers > eleven to ninety-nine > [adjective] > fifteen > consisting of fifteen

sesquidecuman1650

1650 Brief Descr. Future Hist. Europe 31 Merlin prophesied to him, ‘That within lesse then a sesquidecumane period of time, the Eagles head should be cloven in two.’

† sesquiˈdecury n. Obsolete a set of fifteen.

ΘΚΠ

the world > relative properties > number > specific numbers > eleven to ninety-nine > [noun] > fifteen things, persons, etc. > set of fifteen

sesquidecury1650

quindenary1681

1650 Ravis (title) A generall Grammer for the ready attaining of the Ebrew... Also a Sesquidecury, or a number of Fifteene Adoptive Epistles..concerning care of the Orientall Tongues to be promoted.

b. Chemistry. In the names of salts, expressing a proportion of 3 to 2 between the constituents, viz. a combination of 3 atoms or equivalents of the substance denoted by the word to which it is prefixed with 2 atoms of another element or radical; e.g. sesquibromide, a bromide containing 3 atoms of bromine for 2 of another substance.This terminology was introduced into English by T. Thomson in his First Principles of Chemistry 1825, and System of Chemistry 1831, where many terms, not illustrated here, are to be found.

sesquibasic adj.

Brit.

/ˌsɛskwᵻˈbeɪsɪk/

U.S.

/ˌsɛskwəˈbeɪsɪk/

[see basic adj.] having 3 equivalents of the base for 2 of the acid.

ΘΚΠ

the world > matter > chemistry > chemical substances > salts > [adjective] > properties > basic > sesquibasic

sesquibasic1849

1849 D. Campbell Pract. Text-bk. Inorg. Chem. 208 The Sesquibasic acetate of lead, 3PbO,2(C₄H₃O) + Aq.

sesquiborate n.

Brit.

/ˌsɛskwᵻˈbɔːreɪt/

U.S.

/ˌsɛskwəˈbɔˌreɪt/

ΚΠ

1831 T. Thomson Syst. Chem. (ed. 7) II. 388 Sesquiborate of ammonia.

sesquibromide n.

Brit.

/ˌsɛskwᵻˈbrəʊmʌɪd/

U.S.

/ˌsɛskwəˈbroʊˌmaɪd/

ΚΠ

1831 T. Thomson Syst. Chem. (ed. 7) I. 324 The sesquibromide of arsenic.

sesquicarbonyl adj.

Brit.

/ˌsɛskwᵻˈkɑːbənɪl/

/ˌsɛskwᵻˈkɑːbənʌɪl/

U.S.

/ˌsɛskwəˈkɑrbəˌnɪl/

ΚΠ

1871 Jrnl. Chem. Soc. 24 1012 Sesquicarbonyl Chloroplatinite, C₃O₃Pt₂Cl₄.

sesquichloride n.

Brit.

/ˌsɛskwᵻˈklɔːrʌɪd/

U.S.

/ˌsɛskwəˈklɔˌraɪd/

ΚΠ

1825 T. Thomson Attempt to Establish First Princ. Chem. II. App. 515 Sesquichloride of iron.

sesquicompound n.

Brit.

/ˈsɛskwᵻˌkɒmpaʊnd/

U.S.

/ˈsɛskwəˌkɑmpaʊnd/

a compound, a salt having its constituents in these proportions.

ΘΚΠ

the world > matter > chemistry > elements and compounds > [noun] > compounds > types > having constituents in 3:2 proportion

sesquicompound1857

1857 W. A. Miller Elements Chem.: Org. (1862) 218 Aluminum forms a sesqui-compound (Al₂(C₄H₅)₃) corresponding to its oxide Al₂O₃.

sesquiferrocyanide n.

Brit.

/ˌsɛskwᵻfɛrə(ʊ)ˈsʌɪənʌɪd/

U.S.

/ˌsɛskwəˌfɛroʊˈsaɪəˌnaɪd/

ΚΠ

1839 Penny Cycl. XIII. 32/2 The ferrocyanide of potassium also gives a deep blue, but the sesquiferrocyanide gives none at all.

sesquihydrated adj.

Brit.

/ˌsɛskwᵻhʌɪˈdreɪtᵻd/

U.S.

/ˌsɛskwəˈhaɪˌdreɪdᵻd/

ΚΠ

1831 T. Thomson Syst. Chem. (ed. 7) II. 452 Sesquihydrated carbonate of soda.

sesqui-magnesia n.

Brit.

/ˌsɛskwᵻmaɡˈniːʒə/

/ˌsɛskwᵻmaɡˈniːzɪə/

/ˌsɛskwᵻmaɡˈniːʃə/

U.S.

/ˌsɛskwəˌmæɡˈniʒə/

/ˌsɛskwəˌmæɡˈniʃə/

ΚΠ

1887 Jrnl. Chem. Soc. 52 i. 558 The formula of the fibrous alum, 3MgO,SO3 + 2Al₂O₃,3SO₃ + 53H₂O, represents a sesqui-magnesia alum.

sesquinitrate n.

Brit.

/ˌsɛskwᵻˈnʌɪtreɪt/

U.S.

/ˌsɛskwəˈnaɪˌtreɪt/

ΚΠ

1849 D. Campbell Pract. Text-bk. Inorg. Chem. 186 Sesquinitrate of iron, Fe₂O₃3NO₅.

sesquipersulphate n.

Brit.

/ˌsɛskwᵻpəˈsʌlfeɪt/

U.S.

/ˌsɛskwəpərˈsəlˌfeɪt/

ΚΠ

1839 Penny Cycl. XIII. 32/1 Sulphate of Peroxide of Iron, or Sesquipersulphate of Iron.

sesquisalt n.

Brit.

/ˈsɛskwᵻsɒlt/

/ˈsɛskwᵻsɔːlt/

U.S.

/ˈsɛskwəˌsɔlt/

/ˈsɛskwəˌsɑlt/

a compound, a salt having its constituents in these proportions.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic salts > [noun] > miscellaneous others

alum zucarinea1425

white precipitate1588

volatile salt or salts1639

malate1788

oxalate1788

sebate1788

succinate1789

camphorate1800

suberate1800

tannate1802

formate1807

zymate1817

uranate1819

ambreate1820

fungate1821

hydriodide1823

sorbate1823

fulminate1824

uraniate1824

pinate1829

oleate1831

pectate1831

resinate1831

xanthate1831

formobenzoate1834

racemate1835

indigotate1838

japonate1838

oxalhydrate1838

oxalovinate1838

palmate1838

pyruvate1838

roccellate1838

rubinate1838

verdite1838

oxalurate1839

sesquisalt1839

palmitate1840

rhabarbarate1840

hippurate1841

palmitin1841

sericate1841

stearate1841

oenanthylate1843

humate1844

parabanate1844

urethylane1844

angelate1846

fungiate1847

nitroprusside1849

sodium nitroprusside1849

fulminurate1855

igasurate1855

inosinate1855

phenate1857

sinapate1857

styphnate1857

anchoate1858

parellate1858

toluate1860

piperate1862

fumarate1864

glycollate1864

hydurilate1865

hyoglycocholate1865

isamates1865

itaconates1865–72

paralactate1866

porphyrate1866

usnate1866

thebolactate1867

oxalonitrate1868

rhodanate1868

stearerate1868

terebate1868

terephthalate1868

thymotate1868

turpetholate1868

violurate1868

viridate1868

xanthide1868

glycocholate1872

xylate1872

xylidate1872

tiglate1875

peptonate1876

hydracrylate1877

thymolate1880

formamidine1882

carboxylate1884

nucleate1896

phytin1905

cacodylate1908

cupferron1910

protamine sulphate1915

metallic soap1918

pentaerythritol tetranitrate1923

phosphagen1927

phosphocreatine1927

viologen1933

pentachlorophenate1938

hyaluronate1946

tetraethylpyrophosphate1947

pteroylglutamate1948

inosate-

the world > matter > chemistry > chemical substances > salts > [noun] > specific types

perfixed salt1601

triple salt1800

persalt1822

bisalt1823

oxy-salt1833

sesquisalt1839

potash1843

Mohr's salt1905

1839 Penny Cycl. XIII. 32/1 [Pernitrate of iron] is..a sesquisalt.

sesquisulphate n.

Brit.

/ˌsɛskwᵻˈsʌlfeɪt/

/ˌsɛskwᵻˈsʌlfət/

U.S.

/ˌsɛskwəˈsəlˌfeɪt/

ΚΠ

1825 T. Thomson Attempt to Establish First Princ. Chem. II. App. 515 Sesquisulphate of uranium.

sesquisulphuret n.

Brit.

/ˌsɛskwᵻˈsʌlf(j)ᵿrɛt/

U.S.

/ˌsɛskwəˈsəlf(j)əˌrɛt/

ΚΠ

1825 T. Thomson Attempt to Establish First Princ. Chem. II. App. 515 Sesquisulphuret of arsenic.

1890 Westm. Gaz. 1 Mar. 6/1 It has been found that sesqui-sulphuret of phosphorus..melts only at 142 deg.

sesquitartrovinate n.

Brit.

/ˌsɛskwᵻtɑːˈtrəʊvᵻneɪt/

/ˌsɛskwᵻtɑːˈtrəʊvᵻnət/

U.S.

/ˌsɛskwəˌtɑrˈtroʊvəˌneɪt/

/ˌsɛskwəˌtɑrˈtroʊvənət/

ΚΠ

1838 T. Thomson Chem. Org. Bodies 176 Sesquitartrovinate of copper.

sesquiterpene n.

Brit.

/ˌsɛskwᵻˈtəːpiːn/

U.S.

/ˌsɛskwəˈtərˌpin/

any terpene having the formula C₁₅H₂₄; any simple derivative of such a compound.

ΚΠ

1888 Jrnl. Chem. Soc. 54 377 Sesquiterpene, C₁₅H₂₄.

1922 Nature 16 Feb. 226/2 The principal constituents identified are safral, camphor, pinene, sesquiterpenes, eugenol, and alcoholic bodies.

1966 New Scientist 8 Dec. 576/2 The substance..is derived from farnesol, one of the basic sesquiterpenes, vegetable substances..which imitate the function of the juvenile hormone.

1976 Nature 5 Aug. 487/2 The essential oils d-bornyl acetate, α- and β-santalol and several plant sesquiterpene hydrocarbons have been shown to induce sexual excitement in male American cockroaches.

sesquiterpenoid n.

Brit.

/ˌsɛskwᵻˈtəːpᵻnɔɪd/

U.S.

/ˌsɛskwəˈtərpəˌnɔɪd/

any terpene having the formula C₁₅H₂₄; any simple derivative of such a compound.

ΚΠ

1951 Jrnl. Chem. Soc. 2988 (heading) Sesquiterpenoids... Evidence for a nine-membered ring in caryophyllene.

1976 Nature 5 Aug. 488/2 Cadinol, a sesquiterpenoid biogenetically related to germacrene D, has been isolated from a plant and shown to be a stimulant for both male and female cockroaches.

c. In Astrology.

sesquiquadrate n.

Brit.

/ˌsɛskwᵻˈkwɒdreɪt/

/ˌsɛskwᵻˈkwɒdrət/

U.S.

/ˌsɛskwəˈkwɑdˌreɪt/

/ˌsɛskwəˈkwɑdrət/

denoting an aspect of planets when 135° from one another.

ΘΚΠ

the world > the universe > planet > position of planet > aspect > [adjective] > sesquiquadrate

sesquiquadratea1623

sesquiquartilea1690

sesqui-square1861

a1623 C. Heydon Astrol. Disc. (1650) 95 The Sesquiquadrate [aspect] of 135 degr.

1647 W. Lilly Christian Astrol. iii. c. 511 You find in the directions of this Nativity, the..Sesquiquadrate.

1647 W. Lilly Christian Astrol. iii. c. 512 Longitude of Sesquiquadrate.

sesquiquartile n.

Brit.

/ˌsɛskwᵻˈkwɔːtʌɪl/

U.S.

/ˌsɛskwəˈkwɔrˌtaɪl/

/ˌsɛskwəˈkwɔrdl/

denoting an aspect of planets when 135° from one another.

ΘΚΠ

the world > the universe > planet > position of planet > aspect > [adjective] > sesquiquadrate

sesquiquadratea1623

sesquiquartilea1690

sesqui-square1861

a1690 S. Jeake Λογιστικηλογία (1696) 11 Aspects..Sesquiquartil.

sesquiquintile n.

Brit.

/ˌsɛskwᵻˈkwɪnt(ᵻ)l/

/ˌsɛskwᵻˈkwɪntʌɪl/

U.S.

/ˌsɛskwəˈkwɪnˌtaɪl/

/ˌsɛskwəˈkwɪn(t)l/

when 108° from one another.

ΘΚΠ

the world > the universe > planet > position of planet > aspect > [adjective] > sesquiquintile

sesquiquintile1647

tredecile1647

1647 W. Lilly Christian Astrol. c. 512 Sesquiquintil [consists of degrees] 108.

sesqui-square n.

Brit.

/ˈsɛskwᵻskwɛː/

U.S.

/ˈsɛskwəˌskwɛ(ə)r/

= sesquiquadrate n.

ΘΚΠ

the world > the universe > planet > position of planet > aspect > [adjective] > sesquiquadrate

sesquiquadratea1623

sesquiquartilea1690

sesqui-square1861

1861 ‘Zadkiel’ Hand-bk. Astrol. I. 8 The new aspects are semi-square, 45°; quintile, 72°; sesqui-square, 135°.

†d. Prefixed to words descriptive of forms of religious belief, = extreme(ly), excessive(ly), ultra- Obsolete.

(a)

sesqui-conformist n.

ΚΠ

a1661 T. Fuller Worthies (1662) Glouc. 360 Some pressed super-Canonical Ceremonies, and such sesqui-Conformists made Mr. Workman turn first but a semi-Conformist, and then by degrees to renounce all Conformity.

sesquideist n.

ΚΠ

1880 F. Hall Doctor Indoctus 52 If he invented a brand-new form of allotheism, and came out a sesquideist, or a quaternitarian.

sesquiheretic n.

ΚΠ

a1631 J. Donne Serm. (1956) VIII. 102 Heretiks, who did absolutely condemn Mariage; and..men, who though they be but Semi-Heretiks in respect of them, because they limit their forbidding of Mariage, to certaine persons, yet they are se [s] qui-Heretiks in this, that they countenance Incontinency, and Fornication, which those very heretiks abhorred.

sesqui-Jesuit n.

ΚΠ

a1631 J. Donne Serm. (1954) VII. 328 A Jesuit, or a Semi-Jesuit, a practising Papist, or a Sesqui-Jesuit, a Jesuited Lady.

sesqui-separation n.

ΚΠ

1655 R. Baillie Disswasive Vindic. 9 Why..do the Independents..runne beyond it..to a sesqui-separation.

(b)

sesqui-superlative adj.

ΚΠ

1611 J. Donne in T. Coryate Crudities sig. d3 Oh to what heigth will loue of greatnesse driue Thy leauened spirit, sesqui-superlatiue!

a. With an ordinal numeral adjective, denoting the proportion 1 + ¹/ _n:1, i.e. n + 1:n, where n is the corresponding cardinal numeral, as sesquioctāvus, bearing the ratio 1¹/ ₈:1, i.e. 9:8; so sesquialter adj., sesquialtera adj., etc., sesquitertia n., etc.

† ˌsesquibiˈtertial n. Obsolete involving a proportion of 5:3.

ΘΚΠ

the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular

sesquialter1570

sesquitertia1597

sesquialteral1603

sesquioctave1603

sesquitertial1603

sesquitertian1603

sesquialtera1609

sesquialterate1609

sesquialteran1653

sescuple1694

sesquitertianal1704

sesquibitertial1705

sesquidecimal1705

sesquioctaval1705

sesquiquartal1705

sesquiquartan1715

sesquiseptimal1726

sesquiduplicate1775

sesquinonal1776

sesquiduple1850

1705 E. Scarburgh Eng. Euclide 228 (note) Sextuple proportion is by addition of the Antecedents made of Sesquitertial, Sesquibitertial, and Triple proportions.

† ˌsesquiˈdecimal adj. Obsolete of 11:10.

ΘΚΠ

the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular

sesquialter1570

sesquitertia1597

sesquialteral1603

sesquioctave1603

sesquitertial1603

sesquitertian1603

sesquialtera1609

sesquialterate1609

sesquialteran1653

sescuple1694

sesquitertianal1704

sesquibitertial1705

sesquidecimal1705

sesquioctaval1705

sesquiquartal1705

sesquiquartan1715

sesquiseptimal1726

sesquiduplicate1775

sesquinonal1776

sesquiduple1850

1705 E. Scarburgh Eng. Euclide 180 (note) If above the exact Multiple of the Consequent, there remains in the Antecedent any Quotal part of the Consequent, as an half, a third, a fourth, or a tenth part of the Consequent, (or otherwise thus named, a Sesquialteral, a Sesquitertial, a Sesquiquartal, a Sesquidecimal part, &c.).

sesquinonal adj.

Brit.

/ˌsɛskwᵻˈnəʊnl/

U.S.

/ˌsɛskwəˈnoʊn(ə)l/

of 10:9.

ΘΚΠ

the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular

sesquialter1570

sesquitertia1597

sesquialteral1603

sesquioctave1603

sesquitertial1603

sesquitertian1603

sesquialtera1609

sesquialterate1609

sesquialteran1653

sescuple1694

sesquitertianal1704

sesquibitertial1705

sesquidecimal1705

sesquioctaval1705

sesquiquartal1705

sesquiquartan1715

sesquiseptimal1726

sesquiduplicate1775

sesquinonal1776

sesquiduple1850

society > leisure > the arts > music > musical sound > pitch > interval > [adjective] > harmonic

sesquioctave1603

sesquinonal1776

sesquiquarta1776

sesquiquinta1776

1776 J. Hawkins Gen. Hist. Music I. 75 The greater or sesquioctave tone, 9 to 8, and the lesser or sesquinonal tone, 10 to 9.

1787 J. Hawkins Life Johnson 375 The proportion of a column is taken from that of the human figure, which..is in a man sesquioctave of the head, and in a woman sesquinonal.

sesquioctaval n.

Brit.

/ˌsɛskwɪɒkˈteɪvl/

U.S.

/ˌsɛskwiˌɑkˈteɪv(ə)l/

ΘΚΠ

the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular

sesquialter1570

sesquitertia1597

sesquialteral1603

sesquioctave1603

sesquitertial1603

sesquitertian1603

sesquialtera1609

sesquialterate1609

sesquialteran1653

sescuple1694

sesquitertianal1704

sesquibitertial1705

sesquidecimal1705

sesquioctaval1705

sesquiquartal1705

sesquiquartan1715

sesquiseptimal1726

sesquiduplicate1775

sesquinonal1776

sesquiduple1850

1705 E. Scarburgh Eng. Euclide 182 (note) The Exponent of their proportions is the common Quotient 1¹/ ₈, which shews the proportion to be..Sesquioctaval.

sesquioctave adj.

Brit.

/ˌsɛskwɪˈɒktɪv/

/ˌsɛskwɪˈɒkteɪv/

U.S.

/ˌsɛskwiˈɑktəv/

/ˌsɛskwiˈɑkˌteɪv/

of 9:8.

ΘΚΠ

the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular

sesquialter1570

sesquitertia1597

sesquialteral1603

sesquioctave1603

sesquitertial1603

sesquitertian1603

sesquialtera1609

sesquialterate1609

sesquialteran1653

sescuple1694

sesquitertianal1704

sesquibitertial1705

sesquidecimal1705

sesquioctaval1705

sesquiquartal1705

sesquiquartan1715

sesquiseptimal1726

sesquiduplicate1775

sesquinonal1776

sesquiduple1850

society > leisure > the arts > music > musical sound > pitch > interval > [adjective] > harmonic

sesquioctave1603

sesquinonal1776

sesquiquarta1776

sesquiquinta1776

1603 P. Holland in tr. Plutarch Morals Explan. Words Sesqui-octave, that which compriseth the whole and one 8 part; as 9 to 8. 18 to 16.

1726 G. Leoni tr. L. B. Alberti Architecture II. 30/2 Its proportion will be as eight to nine, which the Latins call a Sesquioctave.

sesquiquartal n.

Brit.

/ˌsɛskwᵻˈk(w)ɔːtl/

U.S.

/ˌsɛskwəˈkwɔrdl/

ΘΚΠ

the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular

sesquialter1570

sesquitertia1597

sesquialteral1603

sesquioctave1603

sesquitertial1603

sesquitertian1603

sesquialtera1609

sesquialterate1609

sesquialteran1653

sescuple1694

sesquitertianal1704

sesquibitertial1705

sesquidecimal1705

sesquioctaval1705

sesquiquartal1705

sesquiquartan1715

sesquiseptimal1726

sesquiduplicate1775

sesquinonal1776

sesquiduple1850

1705 E. Scarburgh Eng. Euclide 180 (note) This proportion is named triple Sesquiquartal, and is noted thus 3¼.

sesquiquartan adj.

Brit.

/ˌsɛskwᵻˈk(w)ɔːtn/

U.S.

/ˌsɛskwəˈkwɔrtn/

of 5:4.

ΘΚΠ

the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular

sesquialter1570

sesquitertia1597

sesquialteral1603

sesquioctave1603

sesquitertial1603

sesquitertian1603

sesquialtera1609

sesquialterate1609

sesquialteran1653

sescuple1694

sesquitertianal1704

sesquibitertial1705

sesquidecimal1705

sesquioctaval1705

sesquiquartal1705

sesquiquartan1715

sesquiseptimal1726

sesquiduplicate1775

sesquinonal1776

sesquiduple1850

1715 tr. D. Gregory Elements Astron. I. Pref. xi The same Tension upon a subsesquialteran Chord, acts in a double sesquiquartan ratio.

sesquiseptimal adj.

Brit.

/ˌsɛskwᵻˈsɛptᵻml/

U.S.

/ˌsɛskwəˈsɛptəm(ə)l/

of 8:7.

ΘΚΠ

the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular

sesquialter1570

sesquitertia1597

sesquialteral1603

sesquioctave1603

sesquitertial1603

sesquitertian1603

sesquialtera1609

sesquialterate1609

sesquialteran1653

sescuple1694

sesquitertianal1704

sesquibitertial1705

sesquidecimal1705

sesquioctaval1705

sesquiquartal1705

sesquiquartan1715

sesquiseptimal1726

sesquiduplicate1775

sesquinonal1776

sesquiduple1850

1726 G. Leoni tr. L. B. Alberti Architecture II. 30/2 Seven to eight,..the proportion which the Latins call Sesquiseptimal.

b. in Music, after sesquialtera adj. and sesquitertia n.

sesquinona n.

Brit.

/ˌsɛskwᵻˈnəʊnə/

U.S.

/ˌsɛskwəˈnoʊnə/

applied (i) to harmonic intervals producible by sounding four-fifths, five-sixths, etc. of a given string; (ii) rhythmic combinations of four notes against five, five against six, etc.

ΚΠ

1883 W. S. Rockstro in Grove Dict. Music III. 475/1.

sesquioctava n.

Brit.

/ˌsɛskwɪɒkˈteɪvə/

U.S.

/ˌsɛskwiˌɑkˈteɪvə/

ΚΠ

1825 T. Thomson Attempt to Establish First Princ. Chem. II. App. 515 Sesquicarbonate of ammonia.

1883 J. T. Taylor Hardwich's Man. Photogr. Chem. (ed. 9) 38 When first formed it has nearly the composition of a Sesquicarbonate, but by exposure to the air neutral Carbonate of Ammonia escapes, and a white powder is left, which is a Bicarbonate.

sesquioctave n.

Brit.

/ˌsɛskwɪˈɒktɪv/

/ˌsɛskwɪˈɒkteɪv/

U.S.

/ˌsɛskwiˈɑktəv/

/ˌsɛskwiˈɑkˌteɪv/

ΚΠ

1694 W. Holder Treat. Harmony vi. 153 To divide a Sesquioctave Tone (9 to 8) by dupling the Terms of the Ration thereof, into 2 Hemitones.

1698 J. Wallis in Philos. Trans. (Royal Soc.) 20 81 We assign to a Fifth..the Sesqui-alter Proportion..And to a Tone..The Sesqui-octave (or that of 9 to 8).

sesquiquarta n.

Brit.

/ˌsɛskwᵻˈk(w)ɔːtə/

U.S.

/ˌsɛskwəˈkwɔrdə/

ΘΚΠ

society > leisure > the arts > music > musical sound > duration of notes > proportion of notes or rhythm > [adjective] > specific proportion

sesquialtera?1553

sesquiquarta1597

sesquitertia1597

sesquitertial1603

sesquialter1664

sescuple1774

sesquialterate1776

society > leisure > the arts > music > musical sound > pitch > interval > [adjective] > harmonic

sesquioctave1603

sesquinonal1776

sesquiquarta1776

sesquiquinta1776

1597 T. Morley Plaine & Easie Introd. Musicke 54 If they would make fiue crotchets to one semibreefe, then must they set downe Sesquiquarta proportion thus ⁴/ ₅, wherein fiue semibriefes or their value make vp the time of foure semibriefes or strokes.

1776 J. Hawkins Gen. Hist. Music I. 74 The ditone he had demonstrated to be in sesquiquarta proportion, as 5 to 4.

sesquiquinta n.

Brit.

/ˌsɛskwᵻˈk(w)ɪntə/

U.S.

/ˌsɛskwəˈkwɪn(t)ə/

ΘΚΠ

society > leisure > the arts > music > musical sound > pitch > interval > [adjective] > harmonic

sesquioctave1603

sesquinonal1776

sesquiquarta1776

sesquiquinta1776

1776 J. Hawkins Gen. Hist. Music I. 75 The semiditone is sesquiquinta.

Categories »

sesquisexta n.

Brit.

/ˌsɛskwᵻˈsɛkstə/

U.S.

/ˌsɛskwəˈsɛkstə/

This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2022).

单词	sesqui-
释义	sesqui-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. A Latin prefix [Latin sesqui- , also sesque- , contraction of sēmis-que a half in addition; compare sestertius n., < sēmis-tertius] , expressing a superparticular ratio. 1. a. (a) With designations of measure or amount, denoting one-and-a-half times the unit; as sesquihōra an hour and a half; sesquipēs a foot and a half (see sesquipedalian adj. and n.). † sesquiˈhoral adj. Obsolete lasting an hour and a half. ΘΠ the world > time > period > hour > [adjective] > lasting specific number of hours sesquihoral1652 houred1665 hour-long1803 twenty-four-hour1908 1652 T. Urquhart Εκσκυβαλαυρον 241 Their tedious pharisaical prayers before Supper, and Sesquihoral Graces upon a dish of Skink, and leg of Mutton. Categories » sesquiocellus n. Brit. /ˌsɛskwɪə(ʊ)ˈsɛləs/ , /ˌsɛskwɪɒˈsɛləs/ , U.S. /ˌsɛskwiˌoʊˈsɛləs/ Entomology (see sesquialterous adj.). † ˈsesquitone n. Music Obsolete an interval consisting of a tone and a semitone, a minor third. ΘΚΠ society > leisure > the arts > music > musical sound > pitch > interval > [noun] > third > minor sesquitone1694 trihemitone1694 1694 W. Holder Treat. Harmony iv. 80 The Third Minor, Trihemitone, or Sesquitone, as consisting of three half Tones, (or rather of a Tone and half a Tone). (b) Also used loosely in: † sesquiˈdecuman adj. Obsolete consisting of fifteen. ΘΚΠ the world > relative properties > number > specific numbers > eleven to ninety-nine > [adjective] > fifteen > consisting of fifteen sesquidecuman1650 1650 Brief Descr. Future Hist. Europe 31 Merlin prophesied to him, ‘That within lesse then a sesquidecumane period of time, the Eagles head should be cloven in two.’ † sesquiˈdecury n. Obsolete a set of fifteen. ΘΚΠ the world > relative properties > number > specific numbers > eleven to ninety-nine > [noun] > fifteen things, persons, etc. > set of fifteen sesquidecury1650 quindenary1681 1650 Ravis (title) A generall Grammer for the ready attaining of the Ebrew... Also a Sesquidecury, or a number of Fifteene Adoptive Epistles..concerning care of the Orientall Tongues to be promoted. b. Chemistry. In the names of salts, expressing a proportion of 3 to 2 between the constituents, viz. a combination of 3 atoms or equivalents of the substance denoted by the word to which it is prefixed with 2 atoms of another element or radical; e.g. sesquibromide, a bromide containing 3 atoms of bromine for 2 of another substance.This terminology was introduced into English by T. Thomson in his First Principles of Chemistry 1825, and System of Chemistry 1831, where many terms, not illustrated here, are to be found. sesquibasic adj. Brit. /ˌsɛskwᵻˈbeɪsɪk/ , U.S. /ˌsɛskwəˈbeɪsɪk/ [see basic adj.] having 3 equivalents of the base for 2 of the acid. ΘΚΠ the world > matter > chemistry > chemical substances > salts > [adjective] > properties > basic > sesquibasic sesquibasic1849 1849 D. Campbell Pract. Text-bk. Inorg. Chem. 208 The Sesquibasic acetate of lead, 3PbO,2(C₄H₃O) + Aq. sesquiborate n. Brit. /ˌsɛskwᵻˈbɔːreɪt/ , U.S. /ˌsɛskwəˈbɔˌreɪt/ ΚΠ 1831 T. Thomson Syst. Chem. (ed. 7) II. 388 Sesquiborate of ammonia. sesquibromide n. Brit. /ˌsɛskwᵻˈbrəʊmʌɪd/ , U.S. /ˌsɛskwəˈbroʊˌmaɪd/ ΚΠ 1831 T. Thomson Syst. Chem. (ed. 7) I. 324 The sesquibromide of arsenic. sesquicarbonyl adj. Brit. /ˌsɛskwᵻˈkɑːbənɪl/ , /ˌsɛskwᵻˈkɑːbənʌɪl/ , U.S. /ˌsɛskwəˈkɑrbəˌnɪl/ ΚΠ 1871 Jrnl. Chem. Soc. 24 1012 Sesquicarbonyl Chloroplatinite, C₃O₃Pt₂Cl₄. sesquichloride n. Brit. /ˌsɛskwᵻˈklɔːrʌɪd/ , U.S. /ˌsɛskwəˈklɔˌraɪd/ ΚΠ 1825 T. Thomson Attempt to Establish First Princ. Chem. II. App. 515 Sesquichloride of iron. sesquicompound n. Brit. /ˈsɛskwᵻˌkɒmpaʊnd/ , U.S. /ˈsɛskwəˌkɑmpaʊnd/ a compound, a salt having its constituents in these proportions. ΘΚΠ the world > matter > chemistry > elements and compounds > [noun] > compounds > types > having constituents in 3:2 proportion sesquicompound1857 1857 W. A. Miller Elements Chem.: Org. (1862) 218 Aluminum forms a sesqui-compound (Al₂(C₄H₅)₃) corresponding to its oxide Al₂O₃. sesquiferrocyanide n. Brit. /ˌsɛskwᵻfɛrə(ʊ)ˈsʌɪənʌɪd/ , U.S. /ˌsɛskwəˌfɛroʊˈsaɪəˌnaɪd/ ΚΠ 1839 Penny Cycl. XIII. 32/2 The ferrocyanide of potassium also gives a deep blue, but the sesquiferrocyanide gives none at all. sesquihydrated adj. Brit. /ˌsɛskwᵻhʌɪˈdreɪtᵻd/ , U.S. /ˌsɛskwəˈhaɪˌdreɪdᵻd/ ΚΠ 1831 T. Thomson Syst. Chem. (ed. 7) II. 452 Sesquihydrated carbonate of soda. sesqui-magnesia n. Brit. /ˌsɛskwᵻmaɡˈniːʒə/ , /ˌsɛskwᵻmaɡˈniːzɪə/ , /ˌsɛskwᵻmaɡˈniːʃə/ , U.S. /ˌsɛskwəˌmæɡˈniʒə/ , /ˌsɛskwəˌmæɡˈniʃə/ ΚΠ 1887 Jrnl. Chem. Soc. 52 i. 558 The formula of the fibrous alum, 3MgO,SO3 + 2Al₂O₃,3SO₃ + 53H₂O, represents a sesqui-magnesia alum. sesquinitrate n. Brit. /ˌsɛskwᵻˈnʌɪtreɪt/ , U.S. /ˌsɛskwəˈnaɪˌtreɪt/ ΚΠ 1849 D. Campbell Pract. Text-bk. Inorg. Chem. 186 Sesquinitrate of iron, Fe₂O₃3NO₅. sesquipersulphate n. Brit. /ˌsɛskwᵻpəˈsʌlfeɪt/ , U.S. /ˌsɛskwəpərˈsəlˌfeɪt/ ΚΠ 1839 Penny Cycl. XIII. 32/1 Sulphate of Peroxide of Iron, or Sesquipersulphate of Iron. sesquisalt n. Brit. /ˈsɛskwᵻsɒlt/ , /ˈsɛskwᵻsɔːlt/ , U.S. /ˈsɛskwəˌsɔlt/ , /ˈsɛskwəˌsɑlt/ a compound, a salt having its constituents in these proportions. ΘΚΠ the world > matter > chemistry > organic chemistry > organic salts > [noun] > miscellaneous others alum zucarinea1425 white precipitate1588 volatile salt or salts1639 malate1788 oxalate1788 sebate1788 succinate1789 camphorate1800 suberate1800 tannate1802 formate1807 zymate1817 uranate1819 ambreate1820 fungate1821 hydriodide1823 sorbate1823 fulminate1824 uraniate1824 pinate1829 oleate1831 pectate1831 resinate1831 xanthate1831 formobenzoate1834 racemate1835 indigotate1838 japonate1838 oxalhydrate1838 oxalovinate1838 palmate1838 pyruvate1838 roccellate1838 rubinate1838 verdite1838 oxalurate1839 sesquisalt1839 palmitate1840 rhabarbarate1840 hippurate1841 palmitin1841 sericate1841 stearate1841 oenanthylate1843 humate1844 parabanate1844 urethylane1844 angelate1846 fungiate1847 nitroprusside1849 sodium nitroprusside1849 fulminurate1855 igasurate1855 inosinate1855 phenate1857 sinapate1857 styphnate1857 anchoate1858 parellate1858 toluate1860 piperate1862 fumarate1864 glycollate1864 hydurilate1865 hyoglycocholate1865 isamates1865 itaconates1865–72 paralactate1866 porphyrate1866 usnate1866 thebolactate1867 oxalonitrate1868 rhodanate1868 stearerate1868 terebate1868 terephthalate1868 thymotate1868 turpetholate1868 violurate1868 viridate1868 xanthide1868 glycocholate1872 xylate1872 xylidate1872 tiglate1875 peptonate1876 hydracrylate1877 thymolate1880 formamidine1882 carboxylate1884 nucleate1896 phytin1905 cacodylate1908 cupferron1910 protamine sulphate1915 metallic soap1918 pentaerythritol tetranitrate1923 phosphagen1927 phosphocreatine1927 viologen1933 pentachlorophenate1938 hyaluronate1946 tetraethylpyrophosphate1947 pteroylglutamate1948 inosate- the world > matter > chemistry > chemical substances > salts > [noun] > specific types perfixed salt1601 triple salt1800 persalt1822 bisalt1823 oxy-salt1833 sesquisalt1839 potash1843 Mohr's salt1905 1839 Penny Cycl. XIII. 32/1 [Pernitrate of iron] is..a sesquisalt. sesquisulphate n. Brit. /ˌsɛskwᵻˈsʌlfeɪt/ , /ˌsɛskwᵻˈsʌlfət/ , U.S. /ˌsɛskwəˈsəlˌfeɪt/ ΚΠ 1825 T. Thomson Attempt to Establish First Princ. Chem. II. App. 515 Sesquisulphate of uranium. sesquisulphuret n. Brit. /ˌsɛskwᵻˈsʌlf(j)ᵿrɛt/ , U.S. /ˌsɛskwəˈsəlf(j)əˌrɛt/ ΚΠ 1825 T. Thomson Attempt to Establish First Princ. Chem. II. App. 515 Sesquisulphuret of arsenic. 1890 Westm. Gaz. 1 Mar. 6/1 It has been found that sesqui-sulphuret of phosphorus..melts only at 142 deg. sesquitartrovinate n. Brit. /ˌsɛskwᵻtɑːˈtrəʊvᵻneɪt/ , /ˌsɛskwᵻtɑːˈtrəʊvᵻnət/ , U.S. /ˌsɛskwəˌtɑrˈtroʊvəˌneɪt/ , /ˌsɛskwəˌtɑrˈtroʊvənət/ ΚΠ 1838 T. Thomson Chem. Org. Bodies 176 Sesquitartrovinate of copper. sesquiterpene n. Brit. /ˌsɛskwᵻˈtəːpiːn/ , U.S. /ˌsɛskwəˈtərˌpin/ any terpene having the formula C₁₅H₂₄; any simple derivative of such a compound. ΚΠ 1888 Jrnl. Chem. Soc. 54 377 Sesquiterpene, C₁₅H₂₄. 1922 Nature 16 Feb. 226/2 The principal constituents identified are safral, camphor, pinene, sesquiterpenes, eugenol, and alcoholic bodies. 1966 New Scientist 8 Dec. 576/2 The substance..is derived from farnesol, one of the basic sesquiterpenes, vegetable substances..which imitate the function of the juvenile hormone. 1976 Nature 5 Aug. 487/2 The essential oils d-bornyl acetate, α- and β-santalol and several plant sesquiterpene hydrocarbons have been shown to induce sexual excitement in male American cockroaches. sesquiterpenoid n. Brit. /ˌsɛskwᵻˈtəːpᵻnɔɪd/ , U.S. /ˌsɛskwəˈtərpəˌnɔɪd/ any terpene having the formula C₁₅H₂₄; any simple derivative of such a compound. ΚΠ 1951 Jrnl. Chem. Soc. 2988 (heading) Sesquiterpenoids... Evidence for a nine-membered ring in caryophyllene. 1976 Nature 5 Aug. 488/2 Cadinol, a sesquiterpenoid biogenetically related to germacrene D, has been isolated from a plant and shown to be a stimulant for both male and female cockroaches. c. In Astrology. sesquiquadrate n. Brit. /ˌsɛskwᵻˈkwɒdreɪt/ , /ˌsɛskwᵻˈkwɒdrət/ , U.S. /ˌsɛskwəˈkwɑdˌreɪt/ , /ˌsɛskwəˈkwɑdrət/ denoting an aspect of planets when 135° from one another. ΘΚΠ the world > the universe > planet > position of planet > aspect > [adjective] > sesquiquadrate sesquiquadratea1623 sesquiquartilea1690 sesqui-square1861 a1623 C. Heydon Astrol. Disc. (1650) 95 The Sesquiquadrate [aspect] of 135 degr. 1647 W. Lilly Christian Astrol. iii. c. 511 You find in the directions of this Nativity, the..Sesquiquadrate. 1647 W. Lilly Christian Astrol. iii. c. 512 Longitude of Sesquiquadrate. sesquiquartile n. Brit. /ˌsɛskwᵻˈkwɔːtʌɪl/ , U.S. /ˌsɛskwəˈkwɔrˌtaɪl/ , /ˌsɛskwəˈkwɔrdl/ denoting an aspect of planets when 135° from one another. ΘΚΠ the world > the universe > planet > position of planet > aspect > [adjective] > sesquiquadrate sesquiquadratea1623 sesquiquartilea1690 sesqui-square1861 a1690 S. Jeake Λογιστικηλογία (1696) 11 Aspects..Sesquiquartil. sesquiquintile n. Brit. /ˌsɛskwᵻˈkwɪnt(ᵻ)l/ , /ˌsɛskwᵻˈkwɪntʌɪl/ , U.S. /ˌsɛskwəˈkwɪnˌtaɪl/ , /ˌsɛskwəˈkwɪn(t)l/ when 108° from one another. ΘΚΠ the world > the universe > planet > position of planet > aspect > [adjective] > sesquiquintile sesquiquintile1647 tredecile1647 1647 W. Lilly Christian Astrol. c. 512 Sesquiquintil [consists of degrees] 108. sesqui-square n. Brit. /ˈsɛskwᵻskwɛː/ , U.S. /ˈsɛskwəˌskwɛ(ə)r/ = sesquiquadrate n. ΘΚΠ the world > the universe > planet > position of planet > aspect > [adjective] > sesquiquadrate sesquiquadratea1623 sesquiquartilea1690 sesqui-square1861 1861 ‘Zadkiel’ Hand-bk. Astrol. I. 8 The new aspects are semi-square, 45°; quintile, 72°; sesqui-square, 135°. †d. Prefixed to words descriptive of forms of religious belief, = extreme(ly), excessive(ly), ultra- Obsolete. (a) sesqui-conformist n. ΚΠ a1661 T. Fuller Worthies (1662) Glouc. 360 Some pressed super-Canonical Ceremonies, and such sesqui-Conformists made Mr. Workman turn first but a semi-Conformist, and then by degrees to renounce all Conformity. sesquideist n. ΚΠ 1880 F. Hall Doctor Indoctus 52 If he invented a brand-new form of allotheism, and came out a sesquideist, or a quaternitarian. sesquiheretic n. ΚΠ a1631 J. Donne Serm. (1956) VIII. 102 Heretiks, who did absolutely condemn Mariage; and..men, who though they be but Semi-Heretiks in respect of them, because they limit their forbidding of Mariage, to certaine persons, yet they are se [s] qui-Heretiks in this, that they countenance Incontinency, and Fornication, which those very heretiks abhorred. sesqui-Jesuit n. ΚΠ a1631 J. Donne Serm. (1954) VII. 328 A Jesuit, or a Semi-Jesuit, a practising Papist, or a Sesqui-Jesuit, a Jesuited Lady. sesqui-separation n. ΚΠ 1655 R. Baillie Disswasive Vindic. 9 Why..do the Independents..runne beyond it..to a sesqui-separation. (b) sesqui-superlative adj. ΚΠ 1611 J. Donne in T. Coryate Crudities sig. d3 Oh to what heigth will loue of greatnesse driue Thy leauened spirit, sesqui-superlatiue! 2. a. With an ordinal numeral adjective, denoting the proportion 1 + ¹/ _n:1, i.e. n + 1:n, where n is the corresponding cardinal numeral, as sesquioctāvus, bearing the ratio 1¹/ ₈:1, i.e. 9:8; so sesquialter adj., sesquialtera adj., etc., sesquitertia n., etc. † ˌsesquibiˈtertial n. Obsolete involving a proportion of 5:3. ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular sesquialter1570 sesquitertia1597 sesquialteral1603 sesquioctave1603 sesquitertial1603 sesquitertian1603 sesquialtera1609 sesquialterate1609 sesquialteran1653 sescuple1694 sesquitertianal1704 sesquibitertial1705 sesquidecimal1705 sesquioctaval1705 sesquiquartal1705 sesquiquartan1715 sesquiseptimal1726 sesquiduplicate1775 sesquinonal1776 sesquiduple1850 1705 E. Scarburgh Eng. Euclide 228 (note) Sextuple proportion is by addition of the Antecedents made of Sesquitertial, Sesquibitertial, and Triple proportions. † ˌsesquiˈdecimal adj. Obsolete of 11:10. ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular sesquialter1570 sesquitertia1597 sesquialteral1603 sesquioctave1603 sesquitertial1603 sesquitertian1603 sesquialtera1609 sesquialterate1609 sesquialteran1653 sescuple1694 sesquitertianal1704 sesquibitertial1705 sesquidecimal1705 sesquioctaval1705 sesquiquartal1705 sesquiquartan1715 sesquiseptimal1726 sesquiduplicate1775 sesquinonal1776 sesquiduple1850 1705 E. Scarburgh Eng. Euclide 180 (note) If above the exact Multiple of the Consequent, there remains in the Antecedent any Quotal part of the Consequent, as an half, a third, a fourth, or a tenth part of the Consequent, (or otherwise thus named, a Sesquialteral, a Sesquitertial, a Sesquiquartal, a Sesquidecimal part, &c.). sesquinonal adj. Brit. /ˌsɛskwᵻˈnəʊnl/ , U.S. /ˌsɛskwəˈnoʊn(ə)l/ of 10:9. ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular sesquialter1570 sesquitertia1597 sesquialteral1603 sesquioctave1603 sesquitertial1603 sesquitertian1603 sesquialtera1609 sesquialterate1609 sesquialteran1653 sescuple1694 sesquitertianal1704 sesquibitertial1705 sesquidecimal1705 sesquioctaval1705 sesquiquartal1705 sesquiquartan1715 sesquiseptimal1726 sesquiduplicate1775 sesquinonal1776 sesquiduple1850 society > leisure > the arts > music > musical sound > pitch > interval > [adjective] > harmonic sesquioctave1603 sesquinonal1776 sesquiquarta1776 sesquiquinta1776 1776 J. Hawkins Gen. Hist. Music I. 75 The greater or sesquioctave tone, 9 to 8, and the lesser or sesquinonal tone, 10 to 9. 1787 J. Hawkins Life Johnson 375 The proportion of a column is taken from that of the human figure, which..is in a man sesquioctave of the head, and in a woman sesquinonal. sesquioctaval n. Brit. /ˌsɛskwɪɒkˈteɪvl/ , U.S. /ˌsɛskwiˌɑkˈteɪv(ə)l/ ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular sesquialter1570 sesquitertia1597 sesquialteral1603 sesquioctave1603 sesquitertial1603 sesquitertian1603 sesquialtera1609 sesquialterate1609 sesquialteran1653 sescuple1694 sesquitertianal1704 sesquibitertial1705 sesquidecimal1705 sesquioctaval1705 sesquiquartal1705 sesquiquartan1715 sesquiseptimal1726 sesquiduplicate1775 sesquinonal1776 sesquiduple1850 1705 E. Scarburgh Eng. Euclide 182 (note) The Exponent of their proportions is the common Quotient 1¹/ ₈, which shews the proportion to be..Sesquioctaval. sesquioctave adj. Brit. /ˌsɛskwɪˈɒktɪv/ , /ˌsɛskwɪˈɒkteɪv/ , U.S. /ˌsɛskwiˈɑktəv/ , /ˌsɛskwiˈɑkˌteɪv/ of 9:8. ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular sesquialter1570 sesquitertia1597 sesquialteral1603 sesquioctave1603 sesquitertial1603 sesquitertian1603 sesquialtera1609 sesquialterate1609 sesquialteran1653 sescuple1694 sesquitertianal1704 sesquibitertial1705 sesquidecimal1705 sesquioctaval1705 sesquiquartal1705 sesquiquartan1715 sesquiseptimal1726 sesquiduplicate1775 sesquinonal1776 sesquiduple1850 society > leisure > the arts > music > musical sound > pitch > interval > [adjective] > harmonic sesquioctave1603 sesquinonal1776 sesquiquarta1776 sesquiquinta1776 1603 P. Holland in tr. Plutarch Morals Explan. Words Sesqui-octave, that which compriseth the whole and one 8 part; as 9 to 8. 18 to 16. 1726 G. Leoni tr. L. B. Alberti Architecture II. 30/2 Its proportion will be as eight to nine, which the Latins call a Sesquioctave. sesquiquartal n. Brit. /ˌsɛskwᵻˈk(w)ɔːtl/ , U.S. /ˌsɛskwəˈkwɔrdl/ ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular sesquialter1570 sesquitertia1597 sesquialteral1603 sesquioctave1603 sesquitertial1603 sesquitertian1603 sesquialtera1609 sesquialterate1609 sesquialteran1653 sescuple1694 sesquitertianal1704 sesquibitertial1705 sesquidecimal1705 sesquioctaval1705 sesquiquartal1705 sesquiquartan1715 sesquiseptimal1726 sesquiduplicate1775 sesquinonal1776 sesquiduple1850 1705 E. Scarburgh Eng. Euclide 180 (note) This proportion is named triple Sesquiquartal, and is noted thus 3¼. sesquiquartan adj. Brit. /ˌsɛskwᵻˈk(w)ɔːtn/ , U.S. /ˌsɛskwəˈkwɔrtn/ of 5:4. ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular sesquialter1570 sesquitertia1597 sesquialteral1603 sesquioctave1603 sesquitertial1603 sesquitertian1603 sesquialtera1609 sesquialterate1609 sesquialteran1653 sescuple1694 sesquitertianal1704 sesquibitertial1705 sesquidecimal1705 sesquioctaval1705 sesquiquartal1705 sesquiquartan1715 sesquiseptimal1726 sesquiduplicate1775 sesquinonal1776 sesquiduple1850 1715 tr. D. Gregory Elements Astron. I. Pref. xi The same Tension upon a subsesquialteran Chord, acts in a double sesquiquartan ratio. sesquiseptimal adj. Brit. /ˌsɛskwᵻˈsɛptᵻml/ , U.S. /ˌsɛskwəˈsɛptəm(ə)l/ of 8:7. ΘΚΠ the world > relative properties > number > ratio or proportion > [adjective] > multiple > fractional or mixed > particular sesquialter1570 sesquitertia1597 sesquialteral1603 sesquioctave1603 sesquitertial1603 sesquitertian1603 sesquialtera1609 sesquialterate1609 sesquialteran1653 sescuple1694 sesquitertianal1704 sesquibitertial1705 sesquidecimal1705 sesquioctaval1705 sesquiquartal1705 sesquiquartan1715 sesquiseptimal1726 sesquiduplicate1775 sesquinonal1776 sesquiduple1850 1726 G. Leoni tr. L. B. Alberti Architecture II. 30/2 Seven to eight,..the proportion which the Latins call Sesquiseptimal. b. in Music, after sesquialtera adj. and sesquitertia n. sesquinona n. Brit. /ˌsɛskwᵻˈnəʊnə/ , U.S. /ˌsɛskwəˈnoʊnə/ applied (i) to harmonic intervals producible by sounding four-fifths, five-sixths, etc. of a given string; (ii) rhythmic combinations of four notes against five, five against six, etc. ΚΠ 1883 W. S. Rockstro in Grove Dict. Music III. 475/1. sesquioctava n. Brit. /ˌsɛskwɪɒkˈteɪvə/ , U.S. /ˌsɛskwiˌɑkˈteɪvə/ ΚΠ 1825 T. Thomson Attempt to Establish First Princ. Chem. II. App. 515 Sesquicarbonate of ammonia. 1883 J. T. Taylor Hardwich's Man. Photogr. Chem. (ed. 9) 38 When first formed it has nearly the composition of a Sesquicarbonate, but by exposure to the air neutral Carbonate of Ammonia escapes, and a white powder is left, which is a Bicarbonate. sesquioctave n. Brit. /ˌsɛskwɪˈɒktɪv/ , /ˌsɛskwɪˈɒkteɪv/ , U.S. /ˌsɛskwiˈɑktəv/ , /ˌsɛskwiˈɑkˌteɪv/ ΚΠ 1694 W. Holder Treat. Harmony vi. 153 To divide a Sesquioctave Tone (9 to 8) by dupling the Terms of the Ration thereof, into 2 Hemitones. 1698 J. Wallis in Philos. Trans. (Royal Soc.) 20 81 We assign to a Fifth..the Sesqui-alter Proportion..And to a Tone..The Sesqui-octave (or that of 9 to 8). sesquiquarta n. Brit. /ˌsɛskwᵻˈk(w)ɔːtə/ , U.S. /ˌsɛskwəˈkwɔrdə/ ΘΚΠ society > leisure > the arts > music > musical sound > duration of notes > proportion of notes or rhythm > [adjective] > specific proportion sesquialtera?1553 sesquiquarta1597 sesquitertia1597 sesquitertial1603 sesquialter1664 sescuple1774 sesquialterate1776 society > leisure > the arts > music > musical sound > pitch > interval > [adjective] > harmonic sesquioctave1603 sesquinonal1776 sesquiquarta1776 sesquiquinta1776 1597 T. Morley Plaine & Easie Introd. Musicke 54 If they would make fiue crotchets to one semibreefe, then must they set downe Sesquiquarta proportion thus ⁴/ ₅, wherein fiue semibriefes or their value make vp the time of foure semibriefes or strokes. 1776 J. Hawkins Gen. Hist. Music I. 74 The ditone he had demonstrated to be in sesquiquarta proportion, as 5 to 4. sesquiquinta n. Brit. /ˌsɛskwᵻˈk(w)ɪntə/ , U.S. /ˌsɛskwəˈkwɪn(t)ə/ ΘΚΠ society > leisure > the arts > music > musical sound > pitch > interval > [adjective] > harmonic sesquioctave1603 sesquinonal1776 sesquiquarta1776 sesquiquinta1776 1776 J. Hawkins Gen. Hist. Music I. 75 The semiditone is sesquiquinta. Categories » sesquisexta n. Brit. /ˌsɛskwᵻˈsɛkstə/ , U.S. /ˌsɛskwəˈsɛkstə/ This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2022). < comb. form1597
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