binormaln.

/bʌɪˈnɔːməl/

Etymology: < bi- comb. form 2 + normal adj. and n.

Mathematics.

(See quot. 1848.)

ΘΚΠ

the world > relative properties > number > geometry > line > [noun] > perpendicular

plumb line1551

normal1728

binormal1848

1848 G. Salmon Treat. Analytic Geom. Three Dimensions (1865) §353 The normal perpendicular to that [the osculating] plane..being normal to two consecutive elements of the curve, has been called by M. Saint-Venant the Binormal.

1852 B. Price Treat. Infinitesimal Calculus I. 448 The former [line] has the distinctive name of binormal.

This entry has not yet been fully updated (first published 1887; most recently modified version published online June 2018).

单词	binormal
释义	binormaln. /bʌɪˈnɔːməl/ Etymology: < bi- comb. form 2 + normal adj. and n. Mathematics. (See quot. 1848.) ΘΚΠ the world > relative properties > number > geometry > line > [noun] > perpendicular plumb line1551 normal1728 binormal1848 1848 G. Salmon Treat. Analytic Geom. Three Dimensions (1865) §353 The normal perpendicular to that [the osculating] plane..being normal to two consecutive elements of the curve, has been called by M. Saint-Venant the Binormal. 1852 B. Price Treat. Infinitesimal Calculus I. 448 The former [line] has the distinctive name of binormal. This entry has not yet been fully updated (first published 1887; most recently modified version published online June 2018). < n.1848
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