tri·no·mi·al (tr -n  m - l)adj. 1. Consisting of three names or terms, as a taxonomic designation. 2. Mathematics Consisting of three terms. n. 1. A three-part taxonomic designation indicating genus, species, and subspecies or variety, such as Brassica oleracea botrytis, the cauliflower. 2. Mathematics An algebraic expression consisting of three terms connected by plus or minus signs. [tri- + (bi)nomial.] tri·no mi·al·ism n. |
trinomial [traɪˈnəʊmɪəl]
adj
1. (Mathematics) Maths consisting of or relating to three terms
2. (Life Sciences & Allied Applications / Biology) Biology denoting or relating to the three-part name of an organism that incorporates its genus, species, and subspecies
n
1. (Mathematics) Maths a polynomial consisting of three terms, such as ax2 + bx + c
2. (Life Sciences & Allied Applications / Biology) Biology the third word in the trinomial name of an organism, which distinguishes between subspecies
[tri- + -nomial on the model of binomial]
trinomially adv
| trinomial (tr-nm-l) 1. A mathematical expression that is the sum of three monomials, such as ax2 + bx - c. 2. A taxonomic designation indicating genus, species, and subspecies or variety, as in Brassica oleracea botrytis, the cauliflower. |
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