truncateadj.

/ˈtrʌŋkeɪt/

Etymology: < Latin truncātus, past participle of truncāre : see truncate v.

†1. Cut short, mutilated. Obsolete (except as in 2).

ΚΠ

1579 W. Fulke Heskins Parl. Repealed in D. Heskins Ouerthrowne 62 Augustines wordes, not truncately and by peece meale rehearsed nor altered.

1583 [implied in: W. Fulke Def. Transl. Script. Answ. to Pref. 62 The doctors you quote with~out iudgment fraudulently, falsly, truncately, and otherwise abusiuely. (at truncately adv.)].

a. In scientific and technical use: = truncated adj. 2.

ΘΚΠ

the world > relative properties > wholeness > incompleteness > [adjective] > not fully formed > as if part were cut off

truncated1704

truncate1717

the world > space > extension in space > measurable spatial extent > longitudinal extent > shortness > [adjective] > shortened > (as if) by cutting

cuttedc1386

docked1408

stucked?a1439

trunked1552

cropped1558

lopped1570

short-cut1596

stumped1598

dubbeda1661

truncated1704

truncate1717

well-cropped1805

clipped1870

junky1873

lobbed1883

crop1957

1717 E. Halley in Philos. Trans. 1714–16 (Royal Soc.) 29 408 Like truncate Cones or Cylinders.

1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xxi. 305 The Tulip Tree..is remarkable for the shape of its leaves, having the middle lobe of the three truncate, or cut transversely at the end.

1826 W. Kirby & W. Spence Introd. Entomol. IV. xlvi. 333 Elytra..Truncate... When they are shorter than the abdomen and transverse at the end.

1839 C. Darwin in R. Fitzroy & C. Darwin Narr. Surv. Voy. H.M.S. Adventure & Beagle III. i. 1 Successive steps of table land, interspersed with some truncate conical hills [i.e. kopjes].

1872 E. Coues Key to N. Amer. Birds 38 A rectrix broad to the very tip, and there cut squarely off, is truncate.

b. In combination with another adjective of form, as truncate-turbinate; = truncato- comb. form.

ΚΠ

1887 W. Phillips Man. Brit. Discomycetes 354 Cups substipitate, truncate-turbinate.

This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2020).

truncatev.

Brit.

/trʌŋˈkeɪt/,

/ˈtrʌŋkeɪt/, U.S.

/ˈtrəŋˌkeɪt/

Etymology: < Latin truncāt-, participial stem of truncāre , < truncus trunk n.

a. transitive. To shorten or diminish by cutting off a part; to cut short; to maim, mutilate. Also figurative.

ΘΚΠ

the world > health and disease > ill health > injury > maiming or mutilation > maim or mutilate [verb (transitive)]

wemc900

slaya1000

alithOE

hamblea1050

belimbc1225

dismember1297

lamec1300

maimc1325

shearc1330

unablec1380

emblemishc1384

magglec1425

magc1450

demember1491

disablea1492

manglea1500

menyie?a1513

mayhem1533

mutilatec1570

martyr1592

stump1596

bemaim1605

cripplea1616

martyrize1615

deartuate1623

hamstring1641

becripple1660

limb1674

truncate1727

dislimb1855

the world > space > extension in space > measurable spatial extent > longitudinal extent > shortness > make short(er) [verb (transitive)] > (as if) by cutting

crop?c1225

dockc1380

cutc1385

trunk?1440

coll1483

scut1530

to cut, trim, etc. short1545

prune1565

bobtail1577

curtail1580

lop1594

decurtate1599

imp1657

truncate1727

abridge1750

bob1822

1486 [implied in: Blasyng of Armys sig. cvi^v, in Bk. St. Albans A cros truncatid. And hit is calde trunkatid for hit is made of .ij. treys the boys [= boughs] cut a way. (at truncated adj. 1)].

1572 [implied in: J. Bossewell Wks. Armorie ii. f. 95^v These trees are truncated, that is to saie, ye boughes cut of from the body, and laide in the forme of a Saltier. The endes whereof may not touch the Angles of the shield. (at truncated adj. 1)].

1727 N. Bailey Universal Etymol. Eng. Dict. II Truncate, to cut shorter, to maim.

1755 S. Johnson Dict. Eng. Lang. Pref. ⁋70 The examples are too often injudiciously truncated.

1852 W. R. Williams Relig. Progress (1854) iii. 53 It wrongs man by truncating his nature of conscience and immortality.

1911 Athenæum 16 Sept. 318/2 He..never wrote short stories, only truncated long ones.

b. In scientific and technical use: spec. in Crystallography to ‘cut off’ or replace (an edge or solid angle) by a plane face, esp. so as to make equal angles with the adjacent faces. Chiefly in past participle: see truncated adj. 2.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > truncation [verb]

truncate1758

1758 A. Reid tr. P. J. Macquer Elements Theory & Pract. Chym. I. 97 Pyramids..some of which..are obtuse as if truncated.

1830 C. Lyell Princ. Geol. I. 393 If this gulf were..choked up,..so that new explosions..should truncate the cone once more.

1883 Encycl. Brit. XVI. 348/1 The faces of one hexagonal prism would truncate the lateral edges of the rhombohedron, while the faces of the other..would truncate its lateral solid angles.

c. Mathematics. To cut short or approximate (a series, etc.) by ignoring all the terms beyond a chosen term. Also absol.

ΘΚΠ

the world > relative properties > number > mathematical number or quantity > numerical arrangement > manipulate set [verb (transitive)]

well-order1618

interpole1677

sum1740

interpolate1796

represent1897

truncate1955

intrapolate1956

partition1959

convolve1969

1955 M. Loève Probability Theory xvi. 233 We truncate X [sc. a random variable] at c > 0..when we replace X by X^c = X or 0 according as |X| < c or |X| ≧ c.

1966 J. H. Cadwell Topics in Recreational Math. xiv. 157 Because of the steadily decreasing terms, when the series is truncated the error incurred is of smaller magnitude than the first term omitted.

1968 P. A. P. Moran Introd. Probability Theory ii. 78 It is also sometimes useful to exclude more than one of the possible values of i, and in this case it is more often necessary to truncate at the other end.

1981 Nature 5 Nov. 14/3 The series in equation (1) should extend to m = n = ∞, but in practice the series is truncated at a maximum value..of m and n, usually in the range 8 to 15.

Derivatives

truncating adj. that truncates; spec. said of a plane that replaces an edge or solid angle.

ΘΚΠ

the world > space > extension in space > measurable spatial extent > longitudinal extent > shortness > [adjective] > shortened > shortening as if by cutting

truncating1805

1805 R. Jameson Treat. External Characters Minerals 43 The direction of the truncating planes..is either rectilinear, curvilinear, or rounded off.

1882 J. Ruskin Bible of Amiens iii. 95 These two truncating and guarding rivers.

This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).

单词	truncate
释义	truncateadj. /ˈtrʌŋkeɪt/ Etymology: < Latin truncātus, past participle of truncāre : see truncate v. †1. Cut short, mutilated. Obsolete (except as in 2). ΚΠ 1579 W. Fulke Heskins Parl. Repealed in D. Heskins Ouerthrowne 62 Augustines wordes, not truncately and by peece meale rehearsed nor altered. 1583 [implied in: W. Fulke Def. Transl. Script. Answ. to Pref. 62 The doctors you quote with~out iudgment fraudulently, falsly, truncately, and otherwise abusiuely. (at truncately adv.)]. 2. a. In scientific and technical use: = truncated adj. 2. ΘΚΠ the world > relative properties > wholeness > incompleteness > [adjective] > not fully formed > as if part were cut off truncated1704 truncate1717 the world > space > extension in space > measurable spatial extent > longitudinal extent > shortness > [adjective] > shortened > (as if) by cutting cuttedc1386 docked1408 stucked?a1439 trunked1552 cropped1558 lopped1570 short-cut1596 stumped1598 dubbeda1661 truncated1704 truncate1717 well-cropped1805 clipped1870 junky1873 lobbed1883 crop1957 1717 E. Halley in Philos. Trans. 1714–16 (Royal Soc.) 29 408 Like truncate Cones or Cylinders. 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xxi. 305 The Tulip Tree..is remarkable for the shape of its leaves, having the middle lobe of the three truncate, or cut transversely at the end. 1826 W. Kirby & W. Spence Introd. Entomol. IV. xlvi. 333 Elytra..Truncate... When they are shorter than the abdomen and transverse at the end. 1839 C. Darwin in R. Fitzroy & C. Darwin Narr. Surv. Voy. H.M.S. Adventure & Beagle III. i. 1 Successive steps of table land, interspersed with some truncate conical hills [i.e. kopjes]. 1872 E. Coues Key to N. Amer. Birds 38 A rectrix broad to the very tip, and there cut squarely off, is truncate. b. In combination with another adjective of form, as truncate-turbinate; = truncato- comb. form. ΚΠ 1887 W. Phillips Man. Brit. Discomycetes 354 Cups substipitate, truncate-turbinate. This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2020). truncatev. Brit. /trʌŋˈkeɪt/, /ˈtrʌŋkeɪt/, U.S. /ˈtrəŋˌkeɪt/ Etymology: < Latin truncāt-, participial stem of truncāre , < truncus trunk n. a. transitive. To shorten or diminish by cutting off a part; to cut short; to maim, mutilate. Also figurative. ΘΚΠ the world > health and disease > ill health > injury > maiming or mutilation > maim or mutilate [verb (transitive)] wemc900 slaya1000 alithOE hamblea1050 belimbc1225 dismember1297 lamec1300 maimc1325 shearc1330 unablec1380 emblemishc1384 magglec1425 magc1450 demember1491 disablea1492 manglea1500 menyie?a1513 mayhem1533 mutilatec1570 martyr1592 stump1596 bemaim1605 cripplea1616 martyrize1615 deartuate1623 hamstring1641 becripple1660 limb1674 truncate1727 dislimb1855 the world > space > extension in space > measurable spatial extent > longitudinal extent > shortness > make short(er) [verb (transitive)] > (as if) by cutting crop?c1225 dockc1380 cutc1385 trunk?1440 coll1483 scut1530 to cut, trim, etc. short1545 prune1565 bobtail1577 curtail1580 lop1594 decurtate1599 imp1657 truncate1727 abridge1750 bob1822 1486 [implied in: Blasyng of Armys sig. cvi^v, in Bk. St. Albans A cros truncatid. And hit is calde trunkatid for hit is made of .ij. treys the boys [= boughs] cut a way. (at truncated adj. 1)]. 1572 [implied in: J. Bossewell Wks. Armorie ii. f. 95^v These trees are truncated, that is to saie, ye boughes cut of from the body, and laide in the forme of a Saltier. The endes whereof may not touch the Angles of the shield. (at truncated adj. 1)]. 1727 N. Bailey Universal Etymol. Eng. Dict. II Truncate, to cut shorter, to maim. 1755 S. Johnson Dict. Eng. Lang. Pref. ⁋70 The examples are too often injudiciously truncated. 1852 W. R. Williams Relig. Progress (1854) iii. 53 It wrongs man by truncating his nature of conscience and immortality. 1911 Athenæum 16 Sept. 318/2 He..never wrote short stories, only truncated long ones. b. In scientific and technical use: spec. in Crystallography to ‘cut off’ or replace (an edge or solid angle) by a plane face, esp. so as to make equal angles with the adjacent faces. Chiefly in past participle: see truncated adj. 2. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > truncation [verb] truncate1758 1758 A. Reid tr. P. J. Macquer Elements Theory & Pract. Chym. I. 97 Pyramids..some of which..are obtuse as if truncated. 1830 C. Lyell Princ. Geol. I. 393 If this gulf were..choked up,..so that new explosions..should truncate the cone once more. 1883 Encycl. Brit. XVI. 348/1 The faces of one hexagonal prism would truncate the lateral edges of the rhombohedron, while the faces of the other..would truncate its lateral solid angles. c. Mathematics. To cut short or approximate (a series, etc.) by ignoring all the terms beyond a chosen term. Also absol. ΘΚΠ the world > relative properties > number > mathematical number or quantity > numerical arrangement > manipulate set [verb (transitive)] well-order1618 interpole1677 sum1740 interpolate1796 represent1897 truncate1955 intrapolate1956 partition1959 convolve1969 1955 M. Loève Probability Theory xvi. 233 We truncate X [sc. a random variable] at c > 0..when we replace X by X^c = X or 0 according as \|X\| < c or \|X\| ≧ c. 1966 J. H. Cadwell Topics in Recreational Math. xiv. 157 Because of the steadily decreasing terms, when the series is truncated the error incurred is of smaller magnitude than the first term omitted. 1968 P. A. P. Moran Introd. Probability Theory ii. 78 It is also sometimes useful to exclude more than one of the possible values of i, and in this case it is more often necessary to truncate at the other end. 1981 Nature 5 Nov. 14/3 The series in equation (1) should extend to m = n = ∞, but in practice the series is truncated at a maximum value..of m and n, usually in the range 8 to 15. Derivatives truncating adj. that truncates; spec. said of a plane that replaces an edge or solid angle. ΘΚΠ the world > space > extension in space > measurable spatial extent > longitudinal extent > shortness > [adjective] > shortened > shortening as if by cutting truncating1805 1805 R. Jameson Treat. External Characters Minerals 43 The direction of the truncating planes..is either rectilinear, curvilinear, or rounded off. 1882 J. Ruskin Bible of Amiens iii. 95 These two truncating and guarding rivers. This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022). < adj.1579v.1486
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