World Book 1997 4.0

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<HTML> <HEAD><TITLE>TRIGONON</TITLE></HEAD> <BODY BGCOLOR="#ffffff"> <A HREF="a.dic">A</A> <A HREF="b.dic">B</A> <A HREF="c.dic">C</A> <A HREF="d.dic">D</A> <A HREF="e.dic">E</A> <A HREF="f.dic">F</A> <A HREF="g.dic">G</A> <A HREF="h.dic">H</A> <A HREF="i.dic">I</A> <A HREF="j.dic">J</A> <A HREF="k.dic">K</A> <A HREF="l.dic">L</A> <A HREF="m.dic">M</A> <A HREF="n.dic">N</A> <A HREF="o.dic">O</A> <A HREF="p.dic">P</A> <A HREF="q.dic">Q</A> <A HREF="r.dic">R</A> <A HREF="s.dic">S</A> <A HREF="t.dic">T</A> <A HREF="u.dic">U</A> <A HREF="v.dic">V</A> <A HREF="w.dic">W</A> <A HREF="x.dic">X</A> <A HREF="y.dic">Y</A> <A HREF="z.dic">Z</A> <A NAME="trigonometric"> trigonometric, adjective.<DL COMPACT><DD> of or having to do with trigonometry; based on or resulting from trigonometry. Ex. trigonometric measurements. </DL> <A NAME="trigonometrical"> trigonometrical, adjective. =trigonometric.</DL> <A NAME="trigonometrically"> trigonometrically, adverb.<DL COMPACT><DD> by or according to trigonometry. </DL> <A NAME="trigonometricfunction"> trigonometric function,<DL COMPACT><DD> (Mathematics.) any one of the fundamental functions of an angle or arc that may be defined as ratios of the sides of a right triangle; circular function. The sine, cosine, tangent, cotangent, secant, and cosecant are trigonometric functions. </DL> <A NAME="trigonometricseries"> trigonometric series,<DL COMPACT><DD> (Mathematics.) an infinite series whose terms contain sines and cosines of angles. </DL> <A NAME="trigonometry"> trigonometry, noun, pl. -tries.<DL COMPACT><DD> 1. the branch of mathematics that deals with the relations between the sides and angles of triangles and the calculations based on these, particularly with certain functions, such as the sine, secant, and tangent. (Abbr:) trig. <DD> 2. a book on this subject. </DL> <A NAME="trigonon"> trigonon, noun.<DL COMPACT><DD> a kind of many-stringed psaltery or harp, triangular in form, originated by the ancient Greeks and borrowed by the Romans. </DL> <A NAME="trigonous"> trigonous, adjective.<DL COMPACT><DD> having three prominent angles, as a plant stem or ovary. </DL> <A NAME="trigram"> trigram, noun.<DL COMPACT><DD> 1. a figure of three parallel lines used in various combinations in Chinese divination. <DD> 2. =trigraph. </DL> <A NAME="trigraph"> trigraph, noun.<DL COMPACT><DD> 1. a combination of three letters used to represent a single sound. The eau in beau is a trigraph. <DD> 2. any combination of three letters, such as may be used in a cryptogram. </DL> <A NAME="trigraphic"> trigraphic, adjective.<DL COMPACT><DD> having to do with a trigraph. </DL> <A NAME="trihedral"> trihedral, adjective.<DL COMPACT><DD> (Geometry.) <DD> 1. having, or formed by, three planes meeting at a point. Ex. a trihedral angle. <DD> 2. having, or formed by, three lateral planes. Ex. a trihedral prism. </DL> <A NAME="trihedron"> trihedron, noun, pl. -drons, -dra.<DL COMPACT><DD> (Geometry.) a figure formed by three planes meeting at a point. </DL> <A NAME="trihydric"> trihydric, adjective. =trihydroxy.</DL> <A NAME="trihydroxy"> trihydroxy, adjective.<DL COMPACT><DD> (Chemistry.) having three hydroxyl (-OH) radicals. </DL> <A NAME="triiodothyronine"> triiodothyronine, noun.<DL COMPACT><DD> an amino acid secreted by the thyroid gland or prepared synthetically, used in treating hypothyroid conditions. </DL> <A NAME="trijet"> trijet, noun, adjective.<DL COMPACT><DD>noun an aircraft with three jet engines. <DD>adj. having three jet engines. </DL> <A NAME="trijugate"> trijugate, adjective.<DL COMPACT><DD> (Botany.) (of a pinnate leaf) having three pairs of leaflets. </DL> <A NAME="trijugous"> trijugous, adjective. =trijugate.</DL> <A NAME="trike"> trike, noun.<DL COMPACT><DD> (Informal.) a tricycle. </DL> <A NAME="trilateral"> trilateral, adjective.<DL COMPACT><DD> 1. having three sides. <DD> 2. binding or involving three parties. Ex. a trilateral agreement. adv. trilaterally. </DL> <A NAME="trilateralism"> trilateralism, noun.<DL COMPACT><DD> (formerly) a policy of fostering close cooperation between three nations or regions, especially such a policy applied to Western Europe, Japan, and North America. noun trilateralist. </DL> <A NAME="trilaterality"> trilaterality, noun.<DL COMPACT><DD> trilateral condition or quality. </DL> <A NAME="trilateration"> trilateration, noun.<DL COMPACT><DD> (in surveying and mapping) the establishment of a network of triangles by measuring all sides of each, rather than one side and two angles as in triangulation. </DL> <A NAME="trilby"> trilby, noun, pl. -bies. =trilby hat.</DL> <A NAME="trilbyhat"> trilby hat,<DL COMPACT><DD> a soft felt hat, especially one of the Homburg type, with a narrow brim and indented crown. </DL> <A NAME="trilemma"> trilemma, noun.<DL COMPACT><DD> 1. a form of argument resembling the dilemma, but involving three alternatives instead of two. <DD> 2. a situation requiring a choice of one of three alternatives. </DL> <A NAME="trilinear"> trilinear, adjective.<DL COMPACT><DD> (Mathematics.) <DD> 1. of or involving three lines. <DD> 2. contained by three lines. </DL> <A NAME="trilingual"> trilingual, adjective.<DL COMPACT><DD> 1. able to speak three languages. Ex. a trilingual person. <DD> 2. using three languages. Ex. Switzerland is a trilingual country. <DD> 3. written or expressed in three languages. Ex. a trilingual text. adv. trilingually. </DL> <A NAME="triliteral"> triliteral, adjective, noun.<DL COMPACT><DD>adj. 1. consisting of three letters. <DD> 2. consisting of three consonants. <DD>noun a triliteral word or root. </DL> <A NAME="triliteralism"> triliteralism, noun.<DL COMPACT><DD> the use of triliteral roots, as in Semitic languages. </DL> <A NAME="trilith"> trilith, noun.<DL COMPACT><DD> a prehistoric structure or monument consisting of two large, upright stones with another stone resting upon them like a lintel. </DL> <A NAME="trilithic"> trilithic, adjective.<DL COMPACT><DD> 1. having to do with a trilith. <DD> 2. of the nature of a trilith. </DL> <A NAME="trilithon"> trilithon, noun. =trilith.</DL> <A NAME="trill"> trill (1), verb, noun.<DL COMPACT><DD>v.t., v.i. 1. to sound or speak with a tremulous, vibrating, high-pitched sound. Ex. The child burst in, trilling with laughter (Rudyard Kipling). <DD> 2. to sing with a tremulous vibration of sound. Ex. to trill an aria. Some birds trill their songs. <DD> 3. to play so as to make such a sound. Ex. to trill on a flute. <DD> 4. (Phonetics.) to pronounce with a trill. <DD>noun 1. the act or sound of trilling. Ex. the trill of a wren. <DD> 2a. a quick alternation of two musical tones either a tone or a half tone apart; shake. <DD> b. a tremolo or vibrato. <DD> 3. (Phonetics.) <DD> a. a sound produced by causing the breath stream to produce rapid vibration of the lips, tongue, or uvula, as in certain pronunciations of r. <DD> b. the rapid vibration of one of these organs. <DD> c. a consonant so pronounced. Spanish rr is a trill. noun triller. </DL> <A NAME="trill"> trill (2), transitive verb, intransitive verb.<DL COMPACT><DD> (Archaic.) to trickle. </DL> <A NAME="trillion"> trillion, noun, adjective.<DL COMPACT><DD> 1. (in the U.S., Canada, and France) 1 followed by 12 zeros; one thousand billions. <DD> 2. (in Great Britain and Germany) 1 followed by 18 zeros; one million billions. </DL> <A NAME="trillionth"> trillionth, adjective, noun.<DL COMPACT><DD>adj. 1. being last in order of a series of a trillion. <DD> 2. being one of a trillion equal parts. <DD>noun one of a trillion equal parts; the quotient of unity divided by a trillion. </DL> <A NAME="trillium"> trillium, noun.<DL COMPACT><DD> a plant with three leaves in a whorl, from the center of which rises a single flower; wake-robin. Trilliums comprise a genus of perennial herbs of the lily family. </DL> <A NAME="trilobal"> trilobal, adjective. =trilobate.</DL> <A NAME="trilobate"> trilobate, adjective.<DL COMPACT><DD> having or divided into three lobes. Ex. a trilobate leaf. </DL> <A NAME="trilobated"> trilobated, adjective. =trilobate.</DL> <A NAME="trilobed"> trilobed, adjective. =trilobate.</DL> <A NAME="trilobite"> trilobite, noun.<DL COMPACT><DD> a small, extinct, marine arthropod of the Paleozoic era, with jointed legs and a body divided into three vertical lobes and many horizontal segments. Small fossil trilobites are widely found in various rocks. They are believed related to the crustaceans. </DL> <A NAME="trilobitic"> trilobitic, adjective.<DL COMPACT><DD> 1. of or having to do with trilobites. <DD> 2. having the character of trilobites or affinity with them. <DD> 3. containing trilobites. </DL> <A NAME="trilocular"> trilocular, adjective.<DL COMPACT><DD> having three cells or compartments, as the capsule of a plant, or the heart of a reptile. </DL> <A NAME="trilogy"> trilogy, noun, pl. -gies.<DL COMPACT><DD> 1. a group of three novels which together form a related series, although each is complete in itself. <DD> 2. three plays, operas, or other works, written by the same person and more or less closely related in theme or subject. <DD> 3. a group of three tragedies by the same author, originally always closely related in subject, written for performance in series during the festival of Dionysus in ancient Athens. </DL> <A HREF="trim.dic">NEXT</A>