trinomial


trinomial

trinomial [trahy-noh-mee-uh l] EXAMPLES|WORD ORIGIN adjective Algebra. consisting of or pertaining to three terms. Biology.

  1. pertaining to a scientific name comprising three terms, as of genus, species, and subspecies or variety.
  2. characterized by the use of such names.

noun Algebra. an expression that is a sum or difference of three terms, as 3x + 2y + z or 3×3 + 2×2 + x. Biology. a trinomial name, as Rosa gallica pumila. Liberaldictionary.com

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  • Origin of trinomial First recorded in 1665–75; tri- + (bi)nomial Related formstri·no·mi·al·ly, adverb Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for trinomial Historical Examples of trinomial

  • A trinomial in algebra is a quantity consisting of three terms.

    Orthography

    Elmer W. Cavins

  • I have sometimes loosely speculated on what nomenclature would come to, and concluded that it would be trinomial.

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    Charles Darwin

  • Duellman used the trinomial for this population and named a new subspecies, pallidus, from Nayarit.

    A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope

    John D. Lynch

  • The trinomial is used whenever subspecific identities could be made with a reasonable degree of certainty.

    Summer Birds From the Yucatan Peninsula

    Erwin E. Klaas

  • British Dictionary definitions for trinomial trinomial adjective maths consisting of or relating to three terms biology denoting or relating to the three-part name of an organism that incorporates its genus, species, and subspecies noun maths a polynomial consisting of three terms, such as ax ² + bx + c biology the third word in the trinomial name of an organism, which distinguishes between subspecies Derived Formstrinomially, adverbWord Origin for trinomial C18: tri- + -nomial on the model of binomial Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Word Origin and History for trinomial

    1670s, from tri- + second element from binomial.

    Online Etymology Dictionary, © 2010 Douglas Harper trinomial in Science trinomial [trī-nō′mē-əl] A mathematical expression that is the sum of three monomials, such as ax2 + bx – c. A taxonomic designation indicating genus, species, and subspecies or variety, as in Brassica oleracea botrytis, the cauliflower. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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