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# polynomial

[ pol-uh-noh-mee-uhl ]

/ ˌpɒl əˈnoʊ mi əl /

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adjective

consisting of or characterized by two or more names or terms.

noun

Algebra.

- (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.
- a similar expression in more than one variable, as 4x2y3 − 3xy + 5x + 7.
- Now Rare.Also called multinomial. any expression consisting of the sum of two or more terms, as 4x3 + cos x.

a polynomial name or term.

Biology. a species name containing more than two terms.

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## Origin of polynomial

First recorded in 1665–75; poly- + (bi)nomial

## Words nearby polynomial

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

## How to use polynomial in a sentence

## British Dictionary definitions for polynomial

polynomial

/ (ˌpɒlɪˈnəʊmɪəl) /

adjective

of, consisting of, or referring to two or more names or terms

noun

- a mathematical expression consisting of a sum of terms each of which is the product of a constant and one or more variables raised to a positive or zero integral power. For one variable, x, the general form is given by: a 0 x n + a 1 x n –1 + … + a n –1 x + a n, where a 0, a 1, etc, are real numbers
- Also called: multinomial any mathematical expression consisting of the sum of a number of terms

biology a taxonomic name consisting of more than two terms, such as Parus major minor in which minor designates the subspecies

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Scientific definitions for polynomial

polynomial

[ pŏl′ē-nō′mē-əl ]

An algebraic expression that is the sum of two or more monomials. The expressions x2 - 4 and 5x4 + 2x3 - x + 7 are both polynomials.

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.