binomialnoun [ C ]
/baɪˈnəʊ.mi.əl//baɪˈnoʊ.mi.əl/specializedmathematics an expression (= a mathematical statement) that has two terms (= numbers or symbols) that are not the same:
4x + y is a binomial.
language two words separated by a conjunction that almost always appear in the same order, for example "bread and butter"
binomial
adjective
a binomial equation