Defn: In three pairs; as, a trijugate leaf, or a pinnate leaf with three pairs of leaflets.
TRIJUGOUS
Trij"u*gous, a. Etym: [L. trijugus threefold; tri- + jugum a yoke.]
(Bot.)
Defn: Same as Trijugate.
TRIKOSANE
Tri"ko*sane, n. Etym: [Pref. tri- + Gr. (Chem.)
Defn: A hydrocarbon, C23H48, of the methane series, resembling paraffin; — so called because it has twenty-three atoms of carbon in the molecule.
TRILATERAL Tri*lat"er*al, a.Etym: [L. trilaterus; tri- (see Tri-) + latus, lateris, side: cf. F. trilatéral. See Lateral.] (Geom.)
Defn: Having three sides; being three-sided; as, a trilateral
triangle.
— Tri*lat"er*al*ly, adv.
— Tri*lat"er*al*ness, n.
TRILEMMA Tri*lem"ma, n. Etym: [NL., fr. Gr. Tri-) + any thing received, in logic, an assumption. Cf. Dilemma.]
1. (Logic)
Defn: A syllogism with three conditional propositions, the major premises of which are disjunctively affirmed in the minor. See Dilemma.