a. [ L. trinoctialis for three nights; tri- (see Tri-) + nox, noctis, night. ] Lasting during three nights; comprising three nights. [ 1913 Webster ]
n. [ Pref. tri- + -nomial as in binomial: cf. F. trinôme. ] (Math.) A quantity consisting of three terms, connected by the sign + or -;
a.
n. [ Pref. tri- + -nomial as in binomial: cf. F. trinôme. ] (Math.) A quantity consisting of three terms, connected by the sign + or -;
a.