Part 254

2. To travel, esp. by ox wagon; to go from place to place; to migrate. [Chiefly South Africa]

One of the motives which induced the Boers of 1836 to trek out of the Colony.

James Bryce.

Trek, n. [Written also treck.] [D. Cf. Track, n.] The act of trekking; a drawing or a traveling; a journey; a migration. [Chiefly South Africa]

To the north a trek was projected, and some years later was nearly carried out, for the occupation of the Mashonaland.

James Bryce.

Great Trek, the great emigration of Boers from Cape Colony which began in 1836, and resulted in the founding of the South African Republic and Orange Free State.

Trek"ker (?), n. [D.] One that treks. [Written also trecker.] [South Africa] James Bryce.

Trek*om"e*ter (?), n. [Cf. Trechometer.] (Mil.) A field range finger used in the British service.

Trem"bler (?), n. 1. Any of certain West Indian birds of the genera Cinclocerthia and Rhamphocinclus, of the family Mimidæ.

2. (Elec.) The vibrating hammer, or spring contact piece of a hammer break, as of the electric ignition apparatus for an internal-combustion engine.

Trem"ie (?), n. [F. trémie hopper.] (Hydraulic Engin.) An apparatus for depositing and consolidating concrete under water, essentially a tube of wood or sheet metal with a hooperlike top. It is usually handled by a crane.

Tren"nel (?), n. Corrupt form of Treenail.

||Trente" et` qua`rante" (?). [F., lit., thirty and forty.] Same as Rouge et noir, under Rouge.

Tres"-tine` (?), n. [Cf. L. tris, tres, three, and E. tyne, tine, a prong.] The third tine above the base of a stag's antler; the royal antler.

Tri"al bal`ance. (Bookkeeping) The testing of a ledger to discover whether the debits and credits balance, by finding whether the sum of the personal credits increased by the difference between the debit and credit sums in the merchandise and other impersonal accounts equals the sum of personal debits. The equality would not show that the items were all correctly posted.

{ Tri*bro`mo*phe"nol (?), Tri`brom*phe"nol (?) }, n. (Chem.) A colorless crystalline substance prepared by the reaction of carbolic acid with bromine.

||Tri`bu*nal" (?), n. [Sp.] In villages of the Philippine Islands, a kind of townhall. At the tribunal the head men of the village met to transact business, prisoners were confined, and troops and travelers were often quartered.

Tric"kle (?), n. The act or state of trickling; also, that which trickles; a small stream; drip.

Streams that . . . are short and rapid torrents after a storm, but at other times dwindle to feeble trickles of mud.

James Bryce.

Tri`ger proc"ess (?). [After M. Triger, French engineer.] (Engin. & Mining) 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.

Tri"gon (?), n. (Zoöl.) The cutting region of the crown of an upper molar, usually the anterior part. That of a lower molar is the Tri"go*nid (&?;).

Trig"o*no*dont` (?), a. [See Trigon; Odonto.] See Trituberculy.

Tri*hy"brid (?), n. (Biol.) A hybrid whose parents differ by three pairs of contrasting Mendelian characters.

Trim"mer, n. (Coal Storage) An apparatus used for piling the coal in gradually increasing piles made by building up at the point of the cone or top of the prism.

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.

Tri"o*nal (?), n. [Pref. tri- + sulphonal; -- so called because it contains three ethyls.] (Chem.) A compound similar to sulphonal, used as a hypnotic in medicine.