Dictionary
in•var•i•ant
Pronunciation: (in-vâr'ē-unt), [key]—
adj.
1. unvarying; invariable; constant.
2. Math.normal (def. 5e).
—
n.
Math.a quantity or expression that is constant throughout a certain range of conditions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.