Tri*no"mi*al (?), n. [Pref. tri- + -nomial as in binomial: cf. F. trinome.] (Math.)

A quantity consisting of three terms, connected by the sign + or -; as, x + y + z, or ax + 2b - c2.

 

© Webster 1913


Tri*no"mi*al, a. (Math.)

Consisting of three terms; of or pertaining to trinomials; as, a trinomial root.

 

© Webster 1913


Tri*no"mi*al, a. (Nat. Hist.)

Consisting of, or involving the use of, three terms; as, a trinomial systematic name specifying the genus, species, and variety.

 

© Webster 1913