trinomial Hear it!

trinomial definition

tri·no·mial (trī nō′mē əl)

noun

  1. a mathematical expression consisting of three terms connected by plus or minus signs
  2. the scientific name of a plant or animal taxon, consisting of three words designating in order the genus, species, and subspecies or variety

Etymology: tri- + (bi)nomial

adjective

  1. composed of three terms
  2. of trinomials

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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