DEFINITIONS

# polynomial

[ pol-uh-noh-mee-uh l ]
/ ˌpɒl əˈnoʊ mi əl /

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

### noun

Algebra.
1. (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.
2. a similar expression in more than one variable, as 4x2y3 − 3xy + 5x + 7.
3. 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.

## Origin of polynomial

First recorded in 1665–75; poly- + (bi)nomial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

## British Dictionary definitions for polynomial

polynomial
/ (ˌpɒlɪˈnəʊmɪəl) /

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

### noun

1. 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
2. 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-nōmē-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.