Dictionary
pol•y•no•mi•al
Pronunciation: (pol"u-nō'mē-ul), [key]—
adj.
consisting of or characterized by two or more names or terms.
—
n.
1. Algebra.
a. (in one variable) an expression consisting of the sum of two or more terms each of which is the product of a constant and a variable raised to an integral power:
ax2 +
bx + c is a polynomial, where
a, b, and
c are constants and
x is a variable.
b. a similar expression in more than one variable, as 4
x2y3 - 3
xy + 5
x + 7.
c. Now Rare.Also called
multinomial. any expression consisting of the sum of two or more terms, as 4
x3 + cos
x.
2. a polynomial name or term.
3. Biol.a species name containing more than two terms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.