Trinomial Definition
trī-nōmē-əl
adjective
Consisting of three names or terms, as a taxonomic designation.
American Heritage Medicine
Composed of three terms.
Webster's New World
Of trinomials.
Webster's New World
noun
The scientific name of a plant or animal taxon, consisting of three words designating in order the genus, species, and subspecies or variety.
Webster's New World
A mathematical expression consisting of three terms connected by plus or minus signs.
Webster's New World
Other Word Forms of Trinomial
Noun
Singular:
trinomial
Plural:
trinomialsOrigin of Trinomial
tri– (bi)nomial
From American Heritage Dictionary of the English Language, 5th Edition
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