trinomial

views updated May 17 2018

tri·no·mi·al / trīˈnōmēəl/ • adj. 1. (of an algebraic expression) consisting of three terms.2. Biol. a systematic name for a taxon consisting of three terms of which the first is the name of the genus, the second that of the species, and the third that of the subspecies or variety.• n. 1. an algebraic expression of three terms.2. Biol. a trinomial taxonomic name.

The Oxford Pocket Dictionary of Current English

trinomial

views updated Jun 27 2018

trinomial (math., etc.) consisting of three terms. XVIII. f. TRI- + -nomial of BINOMIAL.

The Concise Oxford Dictionary of English Etymology T. F. HOAD

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