1

trinomial

noun tri·no·mi·al \ trī-ˈnō-mē-əl \

Definition of trinomial

1 : a polynomial of three terms
2 : a biological taxonomic name of three terms of which the first designates the genus, the second the species, and the third the subspecies or variety

Recent Examples of trinomial from the Web

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Origin and Etymology of trinomial

tri- + -nomial (as in binomial)


2

trinomial

adjective

Definition of trinomial

1 : consisting of three mathematical terms
2 : of, relating to, or being a biological trinomial

First Known Use of trinomial

circa 1704

in the meaning defined at sense 1

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Medical Dictionary

1

trinomial

noun tri·no·mi·al \ trī-ˈnō-mē-əl \

medical Definition of trinomial

: a trinomial name

2

trinomial

adjective

medical Definition of trinomial

1 : being a name belonging to botanical or zoological nomenclature composed of a first term designating the genus, a second term designating the species, and a third term designating the subspecies or variety to which an organism belongs
2 : of or relating to trinomials
  • trinomial nomenclature

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