Dictionary.com

binormal

[ bahy-nawr-muhl, bahy-nawr- ]
/ ˈbaɪˌnɔr məl, baɪˈnɔr- /
Save This Word!

noun Geometry.
the normal to a curve, lying perpendicular to the osculating plane at a given point on the curve.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of binormal

First recorded in 1840–50; bi-1 + normal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
FEEDBACK