<B>treyfah, </B>adjective.<DL COMPACT><DD> forbidden by Jewish law; not kosher; tref. <BR> <I>Ex. Orthodox Jews do not eat treyfah foods.</I> </DL>
<A NAME="trf">
<B>t.r.f.,</B><DL COMPACT><DD> tuned radio frequency. </DL>
<A NAME="trh">
<B>T.R.H.,</B><DL COMPACT><DD> Their Royal Highnesses. </DL>
<A NAME="tri">
<B>tri-,</B><DL COMPACT><DD> (combining form.) <DD><B> 1. </B>having three ______. <BR> <I>Ex. Triangle = (a plane figure) having three angles. Trilogy = a group of three novels, plays, etc.</I> <DD><B> 2. </B>three ______s. <BR> <I>Ex. Trisect = to divide into three parts.</I> <DD><B> 3. </B>once every three ______; lasting for three ______. <BR> <I>Ex. Trimonthly = occurring once every three months.</I> <DD><B> 4. </B>containing three atoms, radicals, or other constituents of the substance specified, as in <I>trioxide, trisulfate.</I> </DL>
<A NAME="tri">
<B>tri, </B>noun.<DL COMPACT><DD> (Informal.) a trimaran. </DL>
<A NAME="triable">
<B>triable, </B>adjective.<DL COMPACT><DD><B> 1. </B>that can be tested or proved. <DD><B> 2. </B>(Law.) that can be tried in a court of law. noun <B>triableness.</B> </DL>
<A NAME="triacetate">
<B>triacetate, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> having three acetate radicals in the molecule. <DD><I>noun </I> <B>1. </B>a triacetate compound. <DD><B> 2. </B>something made from it, especially a fiber or film made from a triacetate cellulose acetate. </DL>
<A NAME="triacetin">
<B>triacetin, </B>noun.<DL COMPACT><DD> an oily liquid found in cod-liver oil, butter, and other fats, or derived by the action of acetic acid on glycerol, used in treating athlete's foot and other fungous diseases, in making celluloid, as a fixative for perfumes, and as a solvent of basic dyes. </DL>
<A NAME="triacid">
<B>triacid, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>1. </B>(of a base or alcohol) having three hydroxyl (-OH) groups which may replace the hydrogen of an acid to form a salt or ester. <DD><B> 2. </B>having three replaceable acid atoms of hydrogen per molecule. <DD><I>noun </I> an acid of which one molecule contains three hydrogen atoms which may be replaced by basic atoms or groups. </DL>
<A NAME="triad">
<B>triad, </B>noun.<DL COMPACT><DD><B> 1. </B>a group or set of three, especially of three closely related persons or things. (SYN) trio, trinity. <DD><B> 2. </B>(Music.) a chord of three tones, especially one consisting of a given note (called the root) with its major or minor third and its perfect, augmented, or diminished fifth. <DD><B> 3. </B>(Chemistry.) an element, atom, or radical with a valence of three. </DL>
<A NAME="triadic">
<B>triadic, </B>adjective.<DL COMPACT><DD><B> 1. </B>of or having to do with a triad. <DD><B> 2. </B>constituting a triad. <DD><B> 3. </B>consisting of triads. <DD><B> 4. </B>(Chemistry.) that is a triad; trivalent. </DL>
<A NAME="triage">
<B>triage, </B>noun.<DL COMPACT><DD><B> 1. </B>the act of sorting, as according to kind or quality. <DD><B> 2. </B>something sorted out, as the broken coffee beans separated from the whole coffee in sorting. <DD><B> 3. </B>the act or fact of assigning priorities according to urgency or expediency, especially in military and political planning and in the choice of giving medical treatment to casualties most likely to survive when only limited help is available. <BR> <I>Ex. In the West, there is increasing talk of triage, a commonsense if callous concept that teaches that when resources are scarce they must be used where they will do the most good (Time).</I> </DL>
<B>tria juncta in uno,</B><DL COMPACT><DD> (Latin.) three joined in one (the motto of the Order of the Bath). </DL>
<A NAME="triakaidekaphobe">
<B>triakaidekaphobe, </B>noun.<DL COMPACT><DD> a person having an abnormal fear of the number 13. <BR> <I>Ex. Attention, all triakaidekaphobes! Next Friday is, b-r-r-r, the 13th (Family Weekly).</I> <DL COMPACT><DD> Also, <B>triskaidekaphobe.</B> </DL>
</DL>
<A NAME="triakaidekaphobia">
<B>triakaidekaphobia, </B>noun.<DL COMPACT><DD> an abnormal fear of the number 13. Also, <B>triskaidekaphobia.</B> </DL>
<A NAME="trial">
<B>trial, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> <B>1. </B>the act or fact of examining and deciding a civil or criminal case by a law court. <BR> <I>Ex. Many thieves are caught and brought to trial.</I> <DD><B> 2. </B>the act or process of trying or testing; trying out; test. <BR> <I>Ex. to learn by trial and error. He gave the machine another trial to see if it would work. Democracy is on trial in the world on a more colossal scale than ever before (Charles F. Dole).</I> <DD><B> 3. </B>the condition of being tried or tested; probation. <BR> <I>Ex. He is employed for two weeks on trial.</I> <DD><B> 4. </B>trouble; hardship; affliction. <BR> <I>Ex. Her life has been full of trials--sickness, poverty, and loss of loved ones.</I> (SYN) misfortune. <DD><B> 5. </B>a cause of trouble or hardship. <BR> <I>Ex. to be a trial to one's parents.</I> <DD><B> 6. </B>an attempt to do something; effort; endeavor. <BR> <I>Ex. I proposed to make a trial for landing if the weather should suit (John Smeaton).</I> <DD><B> 7. </B>a preliminary competition in field or track events at a track meet. <DD><I>adj. </I> <B>1. </B>made, done, used, or taken as a try or test. <BR> <I>Ex. a trial model, a trial trip.</I> <DD><B> 2. </B>that is on trial. <BR> <I>Ex. a trial employee.</I> <DD><B> 3. </B>of or having to do with a trial in a law court. <BR> <I>Ex. trial testimony.</I> </DL>
<A NAME="trialanderror">
<B>trial and error,</B><DL COMPACT><DD><B> 1. </B>a method of learning by trying out different responses to a new situation until one response is successful. <DD><B> 2. </B>a method of arriving at a desired result by repeated experiments until past errors are eliminated. adj. <B>trial-and-error.</B> </DL>
<A NAME="trialbalance">
<B>trial balance,</B><DL COMPACT><DD> a comparison of the items on each side of a double-entry ledger, in which the sum of the debits should equal the sum of the credits. If they are not equal, there is an error. </DL>
<A NAME="trialballoon">
<B>trial balloon,</B><DL COMPACT><DD><B> 1. </B>a small balloon launched to determine atmospheric conditions, especially direction and velocity of wind. <DD><B> 2. </B>(Figurative.) a plan or project launched on a small scale to determine its acceptability to the general public or some particular group, body, or interest. </DL>
<A NAME="trialbybattle">
<B>trial by battle,</B> <B>=trial by combat.</B></DL>
<A NAME="trialbycombat">
<B>trial by combat,</B><DL COMPACT><DD> a trial in which victory in combat between two disputing parties decides a case. </DL>
<A NAME="trialbyjury">
<B>trial by jury,</B><DL COMPACT><DD> a courtroom trial in which a jury decides the facts in a case instead of a judge or judges. </DL>
<A NAME="trialbyordeal">
<B>trial by ordeal,</B><DL COMPACT><DD> a trial in which innocence or guilt was determined by the effect of torture or some other danger. </DL>
<A NAME="trialcourt">
<B>trial court,</B><DL COMPACT><DD> a lower or district court in which the first hearing of a case is decided, as contrasted with an appellate court. </DL>
<A NAME="trialhorse">
<B>trial horse,</B><DL COMPACT><DD> a person, craft, or animal used as an opponent or competitor to keep another in practice especially while training for a race. </DL>
<A NAME="trialism">
<B>trialism, </B>noun.<DL COMPACT><DD><B> 1. </B>the doctrine of three distinct, ultimate substances or principles. <DD><B> 2. </B>a union of three countries or states. </DL>
<A NAME="trialist">
<B>trialist, </B>noun.<DL COMPACT><DD><B> 1. </B>(Sports.) a person who takes part in a trial or preliminary match. <DD><B> 2. </B>an advocate or supporter of trialism. </DL>
<A NAME="trialjudge">
<B>trial judge,</B><DL COMPACT><DD> a judge who hears a case in a trial court. </DL>
<A NAME="trialjury">
<B>trial jury,</B><DL COMPACT><DD> a jury consisting usually of 6 or 12 persons, chosen to decide a case in court; petit jury. </DL>
<A NAME="triallawyer">
<B>trial lawyer,</B><DL COMPACT><DD> a lawyer who specializes in presenting cases in court. <BR> <I>Ex. Clarence Darrow was one of America's greatest trial lawyers.</I> </DL>
<A NAME="trialmarriage">
<B>trial marriage,</B><DL COMPACT><DD> companionate marriage for the purpose of testing the compatibility of the partners over a specific period of time. </DL>
<A NAME="trialogue">
<B>trialogue, </B>noun.<DL COMPACT><DD> a conversation or discussion between three persons or groups. <BR> <I>Ex. ... a trialogue between a scientist, a scholar, and a teacher (New Yorker).</I> </DL>
<A NAME="trialrun">
<B>trial run,</B><DL COMPACT><DD> a preliminary or experimental test of performance. </DL>
<A NAME="triamcinolone">
<B>triamcinolone, </B>noun.<DL COMPACT><DD> a steroid drug similar to cortisone, used in the treatment of arthritis, psoriasis, and other inflammatory conditions. </DL>
<A NAME="triangle">
<B>triangle, </B>noun.<DL COMPACT><DD><B> 1. </B>a plane figure having three sides and three angles. <DD><B> 2. </B>something shaped like a triangle; any three-cornered body, object, or space. <DD><B> 3. </B>a musical instrument consisting of a triangle of steel open at one corner, that is struck with a small steel rod. <DD><B> 4. </B>(Figurative.) a group or set of three; triad. <BR> <I>Ex. Mrs. Dudeney's novel ... deals with the eternal triangle, which, in this case, consists of two men and one woman (London Daily Chronicle).</I> <DD><B> 5. </B>a thin, flat, straight-edged object in the shape of a triangle, usually a right triangle. It is used with a T-square in drawing parallel, perpendicular, and diagonal lines. </DL>
<A NAME="trianglespider">
<B>triangle spider,</B><DL COMPACT><DD> a spider that spins a triangular web in trees, which it springs on its prey by releasing one of the elastic threads. </DL>
