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trinomially - 1 dictionary results

tri⋅no⋅mi⋅al

[trahy-noh-mee-uhl]
–adjective
1. Algebra. consisting of or pertaining to three terms.
2. Biology.
a. pertaining to a scientific name comprising three terms, as of genus, species, and subspecies or variety.
b. characterized by the use of such names.
–noun
3. Algebra. an expression that is a sum or difference of three terms, as 3x + 2y + z or 3x3 + 2x2 + x.
4. Biology. a trinomial name, as Rosa gallica pumila.

Origin:
1665–75; tri- + (bi)nomial
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