Triatomic to Trick

(Tri`a*tom"ic) a. [Pref. tri- + atomic.] (Chem.) (a) Having three atoms; — said of certain elements or radicals. (b) Having a valence of three; trivalent; sometimes, in a specific sense, having three hydroxyl groups, whether acid or basic; thus, glycerin, glyceric acid, and tartronic acid are each triatomic.

(Trib"al) a. Of or pertaining to a tribe or tribes; as, a tribal scepter. Bp. Warburton.

(Trib"al*ism) n. The state of existing in tribes; also, tribal feeling; tribal prejudice or exclusiveness; tribal peculiarities or characteristics.

(Tri*ba"sic) a. [Pref. tri- + basic.] (Chem.) Capable of neutralizing three molecules of a monacid base, or their equivalent; having three hydrogen atoms capable of replacement by basic elements on radicals; — said of certain acids; thus, citric acid is a tribasic acid.

(Trib"ble) n. (Paper Manuf.) A frame on which paper is dried. Knight.

(Tribe) n. [L. tribus, originally, a third part of the Roman people, afterwards, a division of the people, a tribe; of uncertain origin: cf. F. tribu.]

1. A family, race, or series of generations, descending from the same progenitor, and kept distinct, as in the case of the twelve tribes of Israel, descended from the twelve sons of Jacob. "The Lion of the tribe of Juda." Rev. v. 5.

A wealthy Hebrew of my tribe.

2. (Bot.) A number of species or genera having certain structural characteristics in common; as, a tribe of plants; a tribe of animals.

By many recent naturalists, tribe has been used for a group of animals or plants intermediate between order and genus.

3. A nation of savages or uncivilized people; a body of rude people united under one leader or government; as, the tribes of the Six Nations; the Seneca tribe.

4. A division, class, or distinct portion of a people, from whatever cause that distinction may have originated; as, the city of Athens was divided into ten tribes.

5. (Stock Breeding) A family of animals descended from some particular female progenitor, through the female line; as, the Duchess tribe of shorthorns.

(Tribe), v. t. To distribute into tribes or classes. [R.]

Our fowl, fish, and quadruped are well tribed.
Abp. Nicolson.

(Trib"let Trib"o*let) , n. [F. triboulet.]

1. A goldsmith's tool used in making rings. Ainsworth.

2. A steel cylinder round which metal is drawn in the process of forming tubes. Tomlinson.

3. (Blacksmithing) A tapering mandrel.

(Tri*bom"e*ter) n. [Gr. to rub + - meter: cf. F. tribomètre.] An instrument to ascertain the degree of friction in rubbing surfaces. Brande & C.

(Tri"brach) n. [L. tribrachys, Gr. consisting of three short syllables; (see Tri-) + short.] (Gr. & L. Pros.) A poetic foot of three short syllables, as, melius.

  By PanEris using Melati.

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