binomial


From The Collaborative International Dictionary of English v.0.48:

Binomial \Bi*no"mi*al\, n. [L. bis twice + nomen name: cf. F.
   binome, LL. binomius (or fr. bi- + Gr. ? distribution ?). Cf.
   Monomial.] (Alg.)
   An expression consisting of two terms connected by the sign
   plus (+) or minus (-); as, a + b, or 7 - 3.
   [1913 Webster]
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From The Collaborative International Dictionary of English v.0.48:

Binomial \Bi*no"mi*al\, a.
   1. Consisting of two terms; pertaining to binomials; as, a
      binomial root.
      [1913 Webster]

   2. (Nat. Hist.) 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.
      [1913 Webster]

   Binomial theorem (Alg.), the theorem which expresses the
      law of formation of any power of a binomial.
      [1913 Webster]
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