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Tremie

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.

Tremolite

A white variety of amphibole, or hornblende, occurring in long, bladelike crystals, and coarsely fibrous masses.

Tremolo

The rapid reiteration of tones without any apparent cessation, so as to produce a tremulous effect. A certain contrivance in an organ, which causes the notes to sound with rapid pulses or beats, producing a tremulous effect; -- called also tremolant, and tremulant.

Tremor

A trembling; a shivering or shaking; a quivering or vibratory motion; as, the tremor of a person who is weak, infirm, or old.

Tremulous

Shaking; shivering; quivering; as, a tremulous limb; a tremulous motion of the hand or the lips; the tremulous leaf of the poplar.

Trench

A long, narrow cut in the earth; a ditch; as, a trench for draining land.

Trenchant

Fitted to trench or cut; gutting; sharp.

Trenchantly

In a trenchant, or sharp, manner; sharply; severely.

Trencher

One who trenches; esp., one who cuts or digs ditches.

Trender

One whose business is to free wool from its filth.

Trendle

A wheel, spindle, or the like; a trundle.

Trental

An office and mass for the dead on the thirtieth day after death or burial.

Trepan

To insnare; to trap; to trapan.

Trepang

Any one of several species of large holothurians, some of which are dried and extensively used as food in China; -- called also b/che de mer, sea cucumber, and sea slug.

Trephine

To perforate with a trephine; to trepan.

Trepidation

An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering.

Tres-tine

The third tine above the base of a stag's antler; the royal antler.

Tres-tyne

In the antler of a stag, the third tyne above the base. This tyne appears in the third year. In those deer in which the brow tyne does not divide, the tres-tyne is the second tyne above the base. See Illust. under Rucervine, and under Rusine.

Trespass

Any injury or offence done to another.

Trespasser

One who commits a trespass One who enters upon another's land, or violates his rights. A transgressor of the moral law; an offender; a sinner.

Tress

A braid, knot, or curl, of hair; a ringlet.

Tressure

A kind of border similar to the orle, but of only half the breadth of the latter.

Tressured

Provided or bound with a tressure; arranged in the form of a tressure.

Trestle

A movable frame or support for anything, as scaffolding, consisting of three or four legs secured to a top piece, and forming a sort of stool or horse, used by carpenters, masons, and other workmen; also, a kind of framework of strong posts or piles, and crossbeams, for supporting a bridge, the track of a railway, or the like.

Trestletree

One of two strong bars of timber, fixed horizontally on the opposite sides of the masthead, to support the crosstrees and the frame of the top; -- generally used in the plural.

Trestlework

A viaduct, pier, scaffold, or the like, resting on trestles connected together.

Tret

An allowance to purchasers, for waste or refuse matter, of four pounds on every 104 pounds of suttle weight, or weight after the tare deducted.

Trevat

A weaver's cutting instrument; for severing the loops of the pile threads of velvet.

Trevet

A stool or other thing supported by three legs; a trivet.

Trews

Trowsers; especially, those of the Scotch Highlanders.

Trey

Three, at cards, dice, or dominoes; a card, die, or domino of three spots or pips.

Triable

Fit or possible to be tried; liable to be subjected to trial or test.

Triacid

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.

Triaconter

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

Triad

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

Triadelphous

Having stamens joined by filaments into three bundles. See Illust. under Adelphous.

Triadic

Having the characteristics of a triad; as, boron is triadic.

Trial

The act of trying or testing in any manner.

Triality

Three united; state of being three.

Trialogue

A discourse or colloquy by three persons.

Triamide

An amide containing three amido groups.

Triamine

An amine containing three amido groups.

Triandria

A Linnaean class of plants having three distinct and equal stamens.

Triandrous Triandrian

Of or pertaining to the Triandria; having three distinct and equal stamens in the same flower.

Triangle

A figure bounded by three lines, and containing three angles.

Triangular

Having three angles; having the form of a triangle.

Triangulares

The triangular, or maioid, crabs. See Illust. under Maioid, and Illust. of Spider crab, under Spider.

Triangularly

In a triangular manner; in the form of a triangle.

Triangulate

To divide into triangles; specifically, to survey by means of a series of triangles properly laid down and measured.

Triangulation

The series or network of triangles into which the face of a country, or any portion of it, is divided in a trigonometrical survey; the operation of measuring the elements necessary to determine the triangles into which the country to be surveyed is supposed to be divided, and thus to fix the positions and distances of the several points connected by them.

Triarchy

Government by three persons; a triumvirate; also, a country under three rulers.

Triarian

Occupying the third post or rank.

Trias

The formation situated between the Permian and Lias, and so named by the Germans, because consisting of three series of strata, which are called in German the Bunter sandstein, Muschelkalk, and Keuper.

Triassic

Of the age of, or pertaining to, the Trias. The Triassic formation.

Triatic

A term used in the phrase triatic stay. See under Stay.

Triatomic

Having three atoms; -- said of certain elements or radicals. 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.

Tribal

Of or pertaining to a tribe or tribes; as, a tribal scepter.

Tribalism

The state of existing in tribes; also, tribal feeling; tribal prejudice or exclusiveness; tribal peculiarities or characteristics.

Tribasic

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.

Tribble

A frame on which paper is dried.

Tribe

To distribute into tribes or classes.

tribo-

a combining form relating to friction.

triboelectricity

electrical charge developed by rubbing objects together, suc as amber on cat fur.

tribology

the study of the effects of friction on parts of machinery moving in contact with each other, and of methods, such as lubrication, to counteract negative effects such as wear.

Tribometer

An instrument to ascertain the degree of friction in rubbing surfaces.

Tribrach

A poetic foot of three short syllables, as, m/l//s.

Tribromphenol Tribromophenol

A colorless crystalline substance (C6H3OBr3) prepared by the reaction of carbolic acid with bromine. The predominant isomer is 2,4,6-tribromophenol; -- called also bromol.

Tribular Tribual

Of or relating to a tribe; tribal; as, a tribual characteristic; tribular worship.

Tribulation

That which occasions distress, trouble, or vexation; severe affliction.

Tribunal

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.

Tribunary

Of or pertaining to tribunes; as, tribunary powers or authority.

Tribunate

The state or office of a tribune; tribuneship.

Tribune

An officer or magistrate chosen by the people, to protect them from the oppression of the patricians, or nobles, and to defend their liberties against any attempts that might be made upon them by the senate and consuls.

Tributary

A ruler or state that pays tribute, or a stated sum, to a conquering power, for the purpose of securing peace and protection, or as an acknowledgment of submission, or for the purchase of security.

Tributer

One who works for a certain portion of the ore, or its value.

Trica

An apothecium in certain lichens, having a spherical surface marked with spiral or concentric ridges and furrows.

Tricarballylic

Of, pertaining to, or designating, a complex tribasic organic acid, C3H5.(CO2H)3 occurring naturally in unripe beet roots, and produced artificially from glycerin as a white crystalline substance.

Trice

A very short time; an instant; a moment; -- now used only in the phrase in a trice.

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