discontinualadj.

Brit.

/ˌdɪskənˈtɪnjʊəl/,

/ˌdɪskənˈtɪnj(ᵿ)l/, U.S.

/ˌdɪskənˈtɪnj(u)əl/

Forms: Middle English discontynual, Middle English discontynuelle, Middle English dyscontynuall, Middle English– discontinual, 1500s discontinualle, 1500s–1600s discontinuall.

Origin: Formed within English, by derivation. Etymons: dis- prefix, continual adj.

Etymology: < dis- prefix + continual adj. Compare discontinuous adj.

1. = discontinuous adj. rare before 20th cent.

ΘΚΠ

the world > relative properties > order > order, sequence, or succession > continuity or uninterruptedness > discontinuity or interrupted condition > [adjective]

discontinuala1398

discontinueda1398

discretea1398

discontinualc1450

uncontinued1585

disjunct1594

discontinued1624

discontinuate1625

discontinuated1634

discontinuous1645

infracted1727

uncontinuous1846

inarticulate1852

incontinuous1862

saccadic1936

a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add. 27944) (1975) I. vii. xxxvi. 385 Þe cause and þe solucioun of al rotid feueres is iknowe in general, wheþir þey be continual or discontinual [L. discontinue].

1806 Churchman's Mag. Jan. 38 All In discontinual conflagration wrapt, As one huge furnace glows with whitening blaze.

1904 Electr. Mag. 17 Nov. 504/1 The spectrum of the residual luminescence is discontinual, consisting of bands and lines.

1980 Sociol. Anal. 41 8 Hierarchies of talent and achievement..insure the continued growth of culture, however discontinual the leaps and bounds of its manifold revolutions.

2007 Understanding Brain (OECD) 215 Surprising and discontinual learning processes can occur throughout life.

†2. Mathematics. Of a series or proportionality: such that the ratios or differences of successive terms are not the same throughout; = discontinued adj. 2. Obsolete.Illustrated by the series 2, 4, 9, 18, since although 2:4 and 9:18 are in the same proportion, 4:9 is not.

ΚΠ

c1450 Art Nombryng in R. Steele Earliest Arithm. in Eng. (1922) 45 Of progressioun one is naturelle or contynuelle, þat oþer broken and discontynuelle... Broken it is, whan me lepithe fro o nombre tille another, and kepithe not the contynuel ordire; as 1. 3. 5. 7. 9, etc.

1557 R. Record Whetstone of Witte sig. Cii^v When I saie thus: as 5. is to 15. so 6. is to 18. Here is a triple proportion, but not continualle..And therefore it is called a proportion discontinualle.

1570 H. Billingsley tr. Euclid Elements Geom. v. f. 130^v Proportionalitie, is of two sortes: the one is continuall, the other is discontinuall.

1764 C. Hutton School-master's Guide 122 But if the difference or ratio..be not the same as the common difference or ratio of the couplets, the proportion is said to be discontinual.

1842 C. Waterhouse Arithm. Spyglass 34 Proportion is distinguished into continual and discontinual.

This entry has been updated (OED Third Edition, December 2013; most recently modified version published online March 2022).

单词	discontinual
释义	discontinualadj. Brit. /ˌdɪskənˈtɪnjʊəl/, /ˌdɪskənˈtɪnj(ᵿ)l/, U.S. /ˌdɪskənˈtɪnj(u)əl/ Forms: Middle English discontynual, Middle English discontynuelle, Middle English dyscontynuall, Middle English– discontinual, 1500s discontinualle, 1500s–1600s discontinuall. Origin: Formed within English, by derivation. Etymons: dis- prefix, continual adj. Etymology: < dis- prefix + continual adj. Compare discontinuous adj. 1. = discontinuous adj. rare before 20th cent. ΘΚΠ the world > relative properties > order > order, sequence, or succession > continuity or uninterruptedness > discontinuity or interrupted condition > [adjective] discontinuala1398 discontinueda1398 discretea1398 discontinualc1450 uncontinued1585 disjunct1594 discontinued1624 discontinuate1625 discontinuated1634 discontinuous1645 infracted1727 uncontinuous1846 inarticulate1852 incontinuous1862 saccadic1936 a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add. 27944) (1975) I. vii. xxxvi. 385 Þe cause and þe solucioun of al rotid feueres is iknowe in general, wheþir þey be continual or discontinual [L. discontinue]. 1806 Churchman's Mag. Jan. 38 All In discontinual conflagration wrapt, As one huge furnace glows with whitening blaze. 1904 Electr. Mag. 17 Nov. 504/1 The spectrum of the residual luminescence is discontinual, consisting of bands and lines. 1980 Sociol. Anal. 41 8 Hierarchies of talent and achievement..insure the continued growth of culture, however discontinual the leaps and bounds of its manifold revolutions. 2007 Understanding Brain (OECD) 215 Surprising and discontinual learning processes can occur throughout life. †2. Mathematics. Of a series or proportionality: such that the ratios or differences of successive terms are not the same throughout; = discontinued adj. 2. Obsolete.Illustrated by the series 2, 4, 9, 18, since although 2:4 and 9:18 are in the same proportion, 4:9 is not. ΚΠ c1450 Art Nombryng in R. Steele Earliest Arithm. in Eng. (1922) 45 Of progressioun one is naturelle or contynuelle, þat oþer broken and discontynuelle... Broken it is, whan me lepithe fro o nombre tille another, and kepithe not the contynuel ordire; as 1. 3. 5. 7. 9, etc. 1557 R. Record Whetstone of Witte sig. Cii^v When I saie thus: as 5. is to 15. so 6. is to 18. Here is a triple proportion, but not continualle..And therefore it is called a proportion discontinualle. 1570 H. Billingsley tr. Euclid Elements Geom. v. f. 130^v Proportionalitie, is of two sortes: the one is continuall, the other is discontinuall. 1764 C. Hutton School-master's Guide 122 But if the difference or ratio..be not the same as the common difference or ratio of the couplets, the proportion is said to be discontinual. 1842 C. Waterhouse Arithm. Spyglass 34 Proportion is distinguished into continual and discontinual. This entry has been updated (OED Third Edition, December 2013; most recently modified version published online March 2022). < adj.a1398
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