Main Entry: ¹poly·no·mi·al

Pronunciation: \ˌpä-lə-ˈnō-mē-əl\

Function: noun

Etymology: poly- + -nomial (as in binomial)

Date: 1674

: a mathematical expression of one or more algebraic terms each of which consists of a constant multiplied by one or more variables raised to a nonnegative integral power (as a + bx + cx²)