Defn: Born three together; being one of three born at the same birth; also, threefold. E. Phillip
TRIGENIC Tri*gen"ic, a. Etym: [Pref. tri- + gen- + -ic. So named in reference to its composition, it being supposed to contain the radicals of three molecules of cyanic acid.] (Chem.)
Defn: Of, pertaining to, or designating, an acid, C4H7N3O2, obtained, by the action of the vapor of cyanic acid on cold aldehyde, as a white crystalline substance having a slightly acid taste and faint smell; — called also ethidene- or ethylidene-biuret.
TRIGER PROCESS
Tri`ger proc"ess. [After M. Triger, French engineer.] (Engin. &
Mining)
Defn: A method of sinking through water-bearing ground, in which the shaft is lined with tubbing and provided with an air lock, work being proceeded with under air pressure.
TRIGESIMO-SECUNDO Tri*ges"i*mo-se*cun"do, a. Etym: [L. in trigesimo-secundo in the thirty-second.]
Defn: Having thirty-two leaves to a sheet; as, a trigesimo-secundo form, book, leaf, size, etc.
TRIGESIMO-SECUNDO
Tri*ges"i*mo-se*cun"do, n.
Defn: A book composed of sheets so folded that each one makes thirty- two leaves; hence, indicating, more or less definitely, a size of book; — usually written 32mo, or 32º, and called thirty-twomo.
TRIGGER Trig"ger, n. Etym: [For older tricker, from D. trekker, fr. trekken to draw, pull. See Trick, n.]