Part 258

{ Tus"sah Tus"seh } (ts"s), n. [Also tussa, tussar, tusser, tussur, etc.] [Prob. fr. Hind. tasar a shuttle, Skr. tasara, trasara.] An undomesticated East Indian silkworn (Antheræa mylitta), that feeds on the leaves of the oak and other plants.

Tus"sal (?), a. [L. tussis cough.] (Med.) Pertaining to, or manifested by, cough.

||Tus"sis (?), n. [L.] (Med.) A cough.

Tus"sive (?), a. (Med.) Pertaining to a cough; caused by coughing.

Tut"ti-frut`ti (?), n. [It., lit., all fruits.] A confection of different kinds of preserved fruits. -- a. Flavored with, or containing, various fruits.

||Tu"um (?), n. [L.] Lit., thine; that which is thine; -- used in meum and tuum. See 2d Meum.

{ Tux*e"do coat`, or Tux*e"do } (?), n. A kind of black coat for evening dress made without skirts; -- so named after a fashionable country club at Tuxedo Park, New York. [U. S.]

{ Twad"dell (?), n., Twad"dell's hy*drom"e*ter (?) }. [After one Twaddell, its inventor.] A form of hydrometer for liquids heavier than water, graduated with an arbitrary scale such that the readings when multiplied by .005 and added to unity give the specific gravity.

Twee"dle*dum` and Twee"dle*dee` (?). Two things practically alike; -- a phrase coined by John Byrom (1692-1793) in his satire "On the Feuds between Handel and Bononcini."

Twist (?), n. 1. Act of imparting a turning or twisting motion, as to a pitched ball; also, the motion thus imparted; as, the twist of a billiard ball.

2. A strong individual tendency, or bent; a marked inclination; a bias; -- often implying a peculiar or unusual tendency; as, a twist toward fanaticism.

Two"-cy`cle, n. (Thermodynamics) A two-stroke cycle for an internal-combustion engine. -- Two"-cy`cle, a.

Two"-name`, a. (Banking) Having or bearing two names; as, two-name paper, that is, negotiable paper on which at least two persons are severally liable as separate makers, or, usually, one as maker and one as indorser. [Colloq.]

Two"-phase` (?), a., Two"- phas`er (&?;), n. (Elec.) Same as Diphase, Diphaser.

Two"-port`, a. Having two ports; specif.: Designating a type of two-cycle internal-combustion engine in which the admission of the mixture to the crank case is through a suction valve.

Two"-speed`, a. Adapted for producing or for receiving either of two speeds; -- said of a power- transmitting device.

Two"-step` (?), n. A kind of round dance in march or polka time; also, a piece of music for this dance. [U. S.]

Two"-throw` (?), a. (Mach.) (a) Capable of being thrown or cranked in two directions, usually opposite to one another; as, a two-throw crank; a two-throw switch. (b) Having two crank set near together and opposite to one another; as, a two-throw crank shaft.

Two"-to-one", a. (Mach.) Designating, or pert. to, a gear for reducing or increasing a velocity ratio two to one.

Two"-way` (?), a. (Pipe Fitting) Serving to connect at will one pipe or channel with either of two others; as, a two-way cock.

Ty"chism (?), n. [Gr. ty`chh fortune, chance + -ism.] Any theory which conceives chance as an objective reality; esp., a theory of evolution which considers that variation may be purely fortuitous.

Typ"i*fy (?), v. t. To embody the essential or salient characteristics of; to be the type of; as, the genus Rosa typifies the family Rosaceæ, which in turn typifies the series Rosales.

Typ"ist (?), n. A person who operates a typewriting machine; a typewriter.

Ty"po*graph (?), n. [Type + - graph.] A machine for setting type or for casting lines of type and setting them.

Ty`po*li*thog"ra*phy (?), n. [Gr. &?; type + lithography.] A branch of lithography in which impressions from printers' types are transferred to stone for reproduction. -- Ty`po*lith`o*graph"ic (#), a.

U"dal (?), n. & a. U"dal*born`, U"dal*er, U"dal*man, etc. Vars. of Odal, etc. Obs. exc. in Shetland and the Orkney Islands, where udal designates land held in fee simple without any charter and free of any feudal character.

||Uit"land`er (?), n. [D. Cf. Outlander.] A foreigner; an outlander. [South Africa]

||U`le*ma" (?), n. [Turk. & Ar. 'ulam the wise or learned men, pl. of 'lim wise, learned.] (Mohammedanism) A college or body composed of the hierarchy (the imams, muftis, and cadis). That of Turkey alone now has political power; its head is the sheik ul Islam.