Trinomial
adjective
1.
Algebra. consisting of or pertaining to three terms.
2.
Biology.
pertaining to a scientific name comprising three terms, as of genus, species, and subspecies or variety.
characterized by the use of such names.
noun
3.
Algebra. an expression that is a sum or difference of three terms, as 3 x + 2 y + z or 3 x 3 + 2 x 2 + x.
4.
Biology. a trinomial name, as Rosa gallica pumila.
adjective
1.
(maths) consisting of or relating to three terms
2.
(biology) denoting or relating to the three-part name of an organism that incorporates its genus, species, and subspecies
noun
3.
(maths) a polynomial consisting of three terms, such as ax² + bx + c
4.
(biology) the third word in the trinomial name of an organism, which distinguishes between subspecies
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.
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