osculinflectionn.

Brit.

/ˌɒskjuːlɪnˈflɛkʃn/, U.S.

/ˈˌɑskələnˈflɛkʃ(ə)n/

Forms: 1800s osculinflexion, 1900s– osculinflection.

Origin: A borrowing from French. Etymon: French osculinflexion.

Etymology: < French osculinflexion (G. Cramer 1750, in Introd. à l'analyse des lignes courbes algébriques xiii. 572) < oscul- (in osculation osculation n.) + inflexion inflection n.

Geometry. rare.

point of osculinflection n. a point of inflection on one branch of a curve, at which it osculates another branch.

ΚΠ

1873 B. Williamson Elem. Treat. Differential Calculus (ed. 2) xvii. §245 The origin in this case is a double cusp, and is also a point of inflexion on one branch. Such a point is called a point of oscul-inflexion by Cramer.

1989 Penguin Dict. Math. 82/2 Double cusps at which one or both branches of the curve have points of inflection are points of osculinflection.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).

单词	osculinflection
释义	osculinflectionn. Brit. /ˌɒskjuːlɪnˈflɛkʃn/, U.S. /ˈˌɑskələnˈflɛkʃ(ə)n/ Forms: 1800s osculinflexion, 1900s– osculinflection. Origin: A borrowing from French. Etymon: French osculinflexion. Etymology: < French osculinflexion (G. Cramer 1750, in Introd. à l'analyse des lignes courbes algébriques xiii. 572) < oscul- (in osculation osculation n.) + inflexion inflection n. Geometry. rare. point of osculinflection n. a point of inflection on one branch of a curve, at which it osculates another branch. ΚΠ 1873 B. Williamson Elem. Treat. Differential Calculus (ed. 2) xvii. §245 The origin in this case is a double cusp, and is also a point of inflexion on one branch. Such a point is called a point of oscul-inflexion by Cramer. 1989 Penguin Dict. Math. 82/2 Double cusps at which one or both branches of the curve have points of inflection are points of osculinflection. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1873
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