Definify.com

Webster 1913 Edition

Noun.

[Pref.

tri-

-nomial

as in

binomial

: cf. F.

trinôme

(Math.)

A quantity consisting of three terms, connected by the sign + or -;

as,

x + y + z

, or

ax + 2b - c

Adj.

(Math.)

Consisting of three terms; of or pertaining to trinomials;

as, a

trinomial

root

Adj.

[L. tres and nomen.] In mathematics, a trinomial root, is a root consisting of three parts, connected by the signs + or -. Thus x+y+z, or a+b-c.

Noun.

A root of three terms or parts.