differentio-differentialadj.n.

Brit.

/dɪfəˌrɛnʃəʊdɪfəˈrɛnʃl/, U.S.

/ˌdɪfəˌrɛn(t)ʃ(i)oʊˌdɪfəˈrɛn(t)ʃəl/

Origin: Formed within English, by compounding; partly modelled on a Latin lexical item, and partly modelled on a French lexical item. Etymons: differential adj., -o- connective.

Etymology: < differenti- (in differential adj.) + -o- connective + differential adj., after post-classical Latin differentio-differentialis (1717 or earlier) and French différentio-différentiel, adjective (1694 in a letter from Leibniz to Huygens, or earlier). Compare German †differentio-differential, adjective (1746 in a letter from Euler to Goldbach, or earlier), †Differentio-Differential, neuter noun (1808 or earlier).

Mathematics.

†A. adj.

Relating to or involving the differential of a differential. Obsolete.

ΘΚΠ

the world > relative properties > number > calculus > [adjective]

differential1702

incremental1716

differentio-differential1728

fluxionary1734

fluxional1749

residual1758

Abelian1846

calcular1855

integro-differential1914

1728 E. Chambers Cycl. Differentio-Differential Calculus, is a Method of differencing Differential Quantities.

a1760 J. Colson tr. M. Agnesi Analyt. Inst. (1801) II. iv. iv. 306 We ought to employ our industry about the reduction of the differentio-differential equations, that..they may be made fit for integration.

1814 P. Barlow New Math. & Philos. Dict. Differentio differential calculus, is the method of differencing differentials.

B. n.

The differential of a differential. rare.Now more usually called second order differential.

ΘΚΠ

the world > relative properties > number > calculus > [noun] > differential calculus > differentiation > differential

differential1702

moment1706

momentane1706

increment1721

element1728

momentum1735

H1872

interval1918

differentio-differential1939

1939 C. B. Boyer Concepts Calculus v. 211 The result will be a new curve, the differentials of which will be the ‘differentio-differentials’, or ‘second differentials’.

2009 D. Suisky Euler Physicist iii. 84 Nieuwentijt considered only differentials allowed to be developed up to the second degree, the differentio-differentials.

This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022).

单词	differentio-differential
释义	differentio-differentialadj.n. Brit. /dɪfəˌrɛnʃəʊdɪfəˈrɛnʃl/, U.S. /ˌdɪfəˌrɛn(t)ʃ(i)oʊˌdɪfəˈrɛn(t)ʃəl/ Origin: Formed within English, by compounding; partly modelled on a Latin lexical item, and partly modelled on a French lexical item. Etymons: differential adj., -o- connective. Etymology: < differenti- (in differential adj.) + -o- connective + differential adj., after post-classical Latin differentio-differentialis (1717 or earlier) and French différentio-différentiel, adjective (1694 in a letter from Leibniz to Huygens, or earlier). Compare German †differentio-differential, adjective (1746 in a letter from Euler to Goldbach, or earlier), †Differentio-Differential, neuter noun (1808 or earlier). Mathematics. †A. adj. Relating to or involving the differential of a differential. Obsolete. ΘΚΠ the world > relative properties > number > calculus > [adjective] differential1702 incremental1716 differentio-differential1728 fluxionary1734 fluxional1749 residual1758 Abelian1846 calcular1855 integro-differential1914 1728 E. Chambers Cycl. Differentio-Differential Calculus, is a Method of differencing Differential Quantities. a1760 J. Colson tr. M. Agnesi Analyt. Inst. (1801) II. iv. iv. 306 We ought to employ our industry about the reduction of the differentio-differential equations, that..they may be made fit for integration. 1814 P. Barlow New Math. & Philos. Dict. Differentio differential calculus, is the method of differencing differentials. B. n. The differential of a differential. rare.Now more usually called second order differential. ΘΚΠ the world > relative properties > number > calculus > [noun] > differential calculus > differentiation > differential differential1702 moment1706 momentane1706 increment1721 element1728 momentum1735 H1872 interval1918 differentio-differential1939 1939 C. B. Boyer Concepts Calculus v. 211 The result will be a new curve, the differentials of which will be the ‘differentio-differentials’, or ‘second differentials’. 2009 D. Suisky Euler Physicist iii. 84 Nieuwentijt considered only differentials allowed to be developed up to the second degree, the differentio-differentials. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022). < adj.n.1728
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