D defs.my
Entry 3 senses · 2 variants Webster, 1913

Binomial

/bīn-ōm'-ē-əl/ · Bi·no·mi·al · IPA /baɪˈnoʊ.mi.əl/
01 n. An expression consisting of two terms connected by the sign plus (+) or minus (-); as, a + b, or 7 - 3.
  1. 1.
    An expression consisting of two terms connected by the sign plus (+) or minus (-); as, a + b, or 7 - 3.(Alg.)
02 a. Consisting of two terms; pertaining to binomials; as, a binomial root.
  1. 1.
    Consisting of two terms; pertaining to binomials; as, a binomial root.
  2. 2.
    Having two names; -- used of the system by which every animal and plant receives two names, the one indicating the genus, the other the species, to which it belongs.(Nat. Hist.)
Phrases & compounds
Binomial theorem — the theorem which expresses the law of formation of any power of a binomial.