binormal

[ bahy-nawr-muh l, bahy-nawr- ]
/ ˈbaɪˌnɔr məl, baɪˈnɔr- /

noun Geometry.

the normal to a curve, lying perpendicular to the osculating plane at a given point on the curve.

Origin of binormal

First recorded in 1840–50; bi-1 + normal

Words nearby binormal

binomial experiment, binomial nomenclature, binomial series, binomial theorem, binominal, binormal, binotic, binovular, binoxalate, bins, binswanger's disease