Tret"a*ble (?), a. [See Treatable.] Tractable; moderate. [Obs.]

By nature debonaire and tretable.

Chaucer.

Treth"ing (?), n. [W. treth an allowance, contribution, tribute, or

tax, trethu to rate or tax.] A tax; an impost. [Obs.] Johnson.

{ Tre"tis (?), Tre"tys }, n. [See Treatise.] A treatise; also, a

treaty. [Obs.] Chaucer.

{ Tre*tis" (?), Tre*tys" }, a. [OF. traitis.] Long and

well-proportioned; nicely made; pretty. [Obs.] "Her nose tretys."

Chaucer.

Tre"vat (?), n. A weaver's cutting instrument; for severing the loops

of the pile threads of velvet.

Trev"et (?), n. [See Trivet.] A stool or other thing supported by three

legs; a trivet.

<! p. 1536 !>

{ Trew (?), Trewe }, a. True. [Obs.] Chaucer.

Trews (?), n. pl. Trowsers; especially, those of the Scotch

Highlanders. "He wore the trews, or close trowsers, made of tartan."

Sir W. Scott.

Trewth (?), n. Truth. [Obs.] Chaucer.

Trey (?), n. [OF. treis three, F. trois, L. tres. See Three, and cf.

Tray-trip.] Three, at cards, dice, or dominoes; a card, die, or domino

of three spots or pips.

Seven is my chance and thine is cinq and trey.

Chaucer.

Tri- (?). [Gr. tri- or L. tri-, sometimes through French; akin to L.

tres three, and E. three. See Three.]

1. A prefix meaning three, thrice, threefold; as in tricolored,

tridentate.

2. (Chem.) A prefix (also used adjectively) denoting three proportional

or combining part, or the third degree of that to the name of which it

is prefixed; as in trisulphide, trioxide, trichloride.

Tri"a*ble (?), a. [From Try.] 1. Fit or possible to be tried; liable to

be subjected to trial or test. "Experiments triable." Boyle.

2. (Law) Liable to undergo a judicial examination; properly coming

under the cognizance of a court; as, a cause may be triable before one

court which is not triable in another.

Tri"a*ble*ness, n. Quality or state of being triable.

Tri*ac"id (?), a. [Pref. tri- + acid.] (Chem.) Capable of neutralizing

three molecules of a monobasic acid or the equivalent; having three

hydrogen atoms which may be acid radicals; — said of certain bases;

thus, glycerin is a triacid base.

Tri"a*cle (?), n. See Treacle. [Obs.] Chaucer.

Tri`a*con`ta*he"dral (?), a. [Gr. &?; thirty + &?; seat, base.] Having

thirty sides.

Tri"a*con`ter (?), n. [Gr. &?;, fr. &?; thirty.] (Gr. Antiq.) A vessel

with thirty banks of oars, or, as some say, thirty ranks of rowers.

Tri"ad (?), n. [L. trias, - adis, Gr. &?;, &?;, fr.&?;, &?;, three: cf.

F. triade. See Three, and cf. Trias, Trio.] 1. A union of three; three

objects treated as one; a ternary; a trinity; as, a triad of deities.

2. (Mus.) (a) A chord of three notes. (b) The common chord, consisting

of a tone with its third and fifth, with or without the octave.

The Gutenberg Webster's Unabridged Dictionary: Section T, U, V, and W · 第 1050 / 3573 题