Tristoma - Troche

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Tristoma (trĭst�mȧ), n. [NL., from Gr. tri- (see ) + stoma mouth.] (Zoöl.) Any one of numerous species of trematode worms belonging to Tristoma and allied genera having a large posterior sucker and two small anterior ones. They usually have broad, thin, and disklike bodies, and are parasite on the gills and skin of fishes.
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Tristy (?), a. See , a. [Obs.] Ashmole.
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Trisulc (trīsŭlk), n. [L. trisulcus; tri- (see ) + sulcus a furrow.] Something having three forks or prongs, as a trident. [Obs.] “Jupiter's trisulc.” Sir T. Browne.
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Trisulcate (?), a. [Pref. tri- + sulcate.] Having three furrows, forks, or prongs; having three grooves or sulci; three-grooved.
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Trisulphide (?), n. [Pref. tri- + sulphide.] (Chem.) A sulphide containing three atoms of sulphur.
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{ Trisyllabic (?), Trisyllabical (?), } a. [L. trisyllabus, Gr. �; � (see ) + � a syllable: cf. F. trissyllabique.] Of or pertaining to a trisyllable; consisting of three syllables; as, “syllable” is a trisyllabic word. -- Trisyllabically, adv.
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Trisyllable (?), n. [Pref. tri- + syllable.] A word consisting of three syllables only; as, a-ven-ger.
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Trite (trīt), a. [L. tritus, p. p. of terere to rub, to wear out; probably akin to E. throw. See , and cf. , , , .] Worn out; common; used until so common as to have lost novelty and interest; hackneyed; stale; as, a trite remark; a trite subject. -- Tritely, adv. -- Triteness, n.
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Triternate (?), a. [Pref. tri- + ternate.] (Bot.) Three times ternate; -- applied to a leaf whose petiole separates into three branches, each of which divides into three parts which each bear three leafiets.
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Tritheism (?), n. [Pref. tri- + Gr. � God: cf. F. trithéisme.] The opinion or doctrine that the Father, Son, and Holy Spirit are three distinct Gods.
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Tritheist, n. [Cf. F. trithéiste.] One who believes in tritheism.
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{ Tritheistic (?), Tritheistical (?), } a. Of or pertaining to tritheism. Bolingbroke.
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Tritheite (?), n. [Cf. F. trithéite.] A tritheist. [Obs.] E. Phillips.
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Trithing (?), n. [See Ist .] One of three ancient divisions of a county in England; -- now called riding. [Written also riding.] Blackstone.
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Trithionate (?), n. (Chem.) A salt of trithionic acid.
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Trithionic (?), a. [Pref. tri- + thionic.] (Chem.) Of or pertaining to, or designating, a certain thionic acid, H2S3O6 which is obtained as a colorless, odorless liquid.
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Tritiated (trĭtĭātĕd), a. (Chem.) containing ; -- of chemical compounds; as, tritiated thymine. Compounds which are tritiated are, as a consequence, radioactive, and may be used as tracers in biochemical or chemical analysis.
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Tritical (?), a. Trite. [Obs.] T. Warton. -- Tritically, adv. [Obs.] -- Triticalness, n. [Obs.]
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Triticin (?), n. (Chem.) A carbohydrate isomeric with dextrin, obtained from quitch grass (Agropyrum repens, formerly Triticum repens) as a white amorphous substance.
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Triticum (?), n. [L., perhaps fr. tritus, p. p. of terere to grind.] (Bot.) A genus of grasses including the various species of wheat.
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tritium (trĭtĭŭm), n. (Chem.) A radioactive isotope of hydrogen having one proton and two neutrons in the nucleus. It decays spontaneously to Helium-3 by the emission of an electron (beta ray), with a half-life of 12.3 years. Symbol ₁H³. Atomic weight 3.01605 (C-12 = 12.0000). It is one of the radioisotopes commonly used to label chemical compounds for use as tracers in biochemistry and chemistry. It is also used as one of the fusionable components of a hydrogen bomb.
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Triton (trītŏn), n. [L., fr. Gr. Tritwn.] (Gr. Myth.) A fabled sea demigod, the son of Neptune and Amphitrite, and the trumpeter of Neptune. He is represented by poets and painters as having the upper part of his body like that of a man, and the lower part like that of a fish. He often has a trumpet made of a shell.
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Have sight of Proteus rising from the sea,
Or hear old Triton blow his wreathed horn. Wordsworth.
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2. (Zoöl.) Any one of many species of marine gastropods belonging to Triton and allied genera, having a stout spiral shell, often handsomely colored and ornamented with prominent varices. Some of the species are among the largest of all gastropods. Called also trumpet shell, and sea trumpet.
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3. (Zoöl.) Any one of numerous species of aquatic salamanders. The common European species are Hemisalamandra cristata, Molge palmata, and Molge alpestris, a red-bellied species common in Switzerland. The most common species of the United States is Diemyctylus viridescens. See Illust. under .
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Tritone (?), n. [Gr. tritonos of three tones; tri- tri- + tonos a tone.] (Mus.) A superfluous or augmented fourth. [R.]
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Tritorium (?), n. [NL.] Same as .
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Tritovum (?), n.; pl. Tritova (#). [NL., fr. Gr. � third + L. ovum egg.] (Zoöl.) An embryonic insect which has twice cast its skin previous to hatching from the egg.
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Tritozooid (?), n. [Gr. � third + zo^,on an animal.] (Zoöl.) A zooid of the third generation in asexual reproduction.
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Tritubercular (?), a. (a) Having or designating teeth with three cusps or tubercles; tricuspid. (b) Pertaining to trituberculy.
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Trituberculy (?), n. [Pref. tri- + L. tuberculum tubercle.] (Zoöl.) A theory of the development of mammalian molar teeth. The primitive stage is that of simple cones, as in reptiles. The simple cone then developed a smaller cone in front and another behind. Next, a cingulum was developed, and the three cones became arranged in a triangle, the two smaller cusps having moved to the outer side in upper and to the inner in lower molars. This primitive triangle is called the trigon or trigonid and this stage the tritubercular or trigonodont. The trigon being a cutting apparatus, an extension of the posterior part of the crown was developed in lower molars for crushing, and a smaller corresponding part appeared in upper molars. Another large cone then arose, usually from the cingulum. In more complex forms, smaller intermediate cusps appeared.
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Triturable (?), a. [Cf. F. triturable.] Capable of being triturated. Sir T. Browne.
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Triturate (?), v. t. [imp. & p. p. Triturated (?); p. pr. & vb. n. Triturating.] [L. trituratus, p. p. of triturate to thrash (grain), fr. terere, tritum, to rub, rub to pieces. See .] 1. To rub, grind, bruise, or thrash.
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2. To rub or grind to a very fine or impalpable powder; to pulverize and comminute thoroughly.
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Trituration (?), n. [Cf. F. trituration, L. trituratio a thrashing of grain.] The act of triturating, or reducing to a fine or impalpable powder by grinding, rubbing, bruising, etc. Paley.
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Triture (?), n. [L. tritura, from terere, tritum, to rub, rub to pieces.] A rubbing or grinding; trituration. [Obs.] Cheyne.
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Triturium (?), n. [NL.; cf. L. terere, tritum to rub.] A vessel for separating liquids of different densities. [Written also tritorium.]
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Trityl (?), n. [Gr. � third + -yl.] (Chem.) Propyl. [R.]
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Tritylene (?), n. (Chem.) Propylene. [R.]
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Triumph (?), n. [L. triumphus, OL. triumpus; of uncertain origin; cf. Gr. � a procession in honor of Bacchus: cf. F. triomphe. Cf. at cards.] 1. (Rom. Antiq.) A magnificent and imposing ceremonial performed in honor of a general who had gained a decisive victory over a foreign enemy.
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☞ The general was allowed to enter the city crowned with a wreath of laurel, bearing a scepter in one hand, and a branch of laurel in the other, riding in a circular chariot, of a peculiar form, drawn by four horses. He was preceded by the senate and magistrates, musicians, the spoils, the captives in fetters, etc., and followed by his army on foot in marching order. The procession advanced in this manner to the Capitoline Hill, where sacrifices were offered, and victorious commander entertained with a public feast.
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2. Hence, any triumphal procession; a pompous exhibition; a stately show or pageant. [Obs.]
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Our daughter,
In honor of whose birth these triumphs are,
Sits here, like beauty's child. Shak.
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3. A state of joy or exultation for success.
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Great triumph and rejoicing was in heaven. Milton.
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Hercules from Spain
Arrived in triumph, from Geryon slain. Dryden.
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4. Success causing exultation; victory; conquest; as, the triumph of knowledge.
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5. A trump card; also, an old game at cards. [Obs.]
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Triumph, v. i. [imp. & p. p. Triumphed (?); p. pr. & vb. n. Triumphing.] [L. triumphare: cf. F. triompher. See , n.] 1. To celebrate victory with pomp; to rejoice over success; to exult in an advantage gained; to exhibit exultation.
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How long shall the wicked triumph? Ps. xciv. 3.
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Sorrow on thee and all the pack of you
That triumph thus upon my misery! Shak.
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2. To obtain victory; to be successful; to prevail.
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Triumphing over death, and chance, and thee, O Time. Milton.
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On this occasion, however, genius triumphed. Macaulay.
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3. To be prosperous; to flourish.
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Where commerce triumphed on the favoring gales. Trumbull.
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4. To play a trump card. [Obs.] B. Jonson.
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Triumph, v. t. To obtain a victory over; to prevail over; to conquer. Also, to cause to triumph. [Obs.]
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Two and thirty legions that awe
All nations of the triumphed word. Massinger.
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Triumphal (?), a. [L. triumphalis: cf. F. triomphal.] Of or pertaining to triumph; used in a triumph; indicating, or in honor of, a triumph or victory; as, a triumphal crown; a triumphal arch.
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Messiah his triumphal chariot turned. Milton.
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Triumphal, n. A token of victory. [Obs.]
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Joyless triumphals of his hoped success. Milton.
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Triumphant (?), a. [L. triumphans, p. pr. of triumphare: cf. F. triomphant. See , v. i.]
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1. Rejoicing for victory; triumphing; exultant.
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Successful beyond hope to lead ye forth
Triumphant out of this infernal pit. Milton.
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2. Celebrating victory; expressive of joy for success; as, a triumphant song or ode.
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3. Graced with conquest; victorious.
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Athena, war's triumphant maid. Pope.
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So shall it be in the church triumphant. Perkins.
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4. Of or pertaining to triumph; triumphal. [Obs.]
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Captives bound to a triumphant car. Shak.
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Coloq. Church triumphant , the church in heaven, enjoying a state of triumph, her warfare with evil being over; -- distinguished from church militant. See under .
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Triumphantly, adv. In a triumphant manner.
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Triumpher (?), n. 1. (Rom. Antiq.) One who was honored with a triumph; a victor.
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2. One who triumphs or rejoices for victory.
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Triumphing, a. Having or celebrating a triumph; victorious; triumphant. -- Triumphingly, adv.
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Triumvir (?), n.; pl. L. Triumviri (#), E. Triumvirs (#). [L., fr. res, gen. trium, three + vir a man. See , and .] (Rom. Antiq.) One of tree men united in public office or authority.
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☞ In later times the triumvirs of Rome were three men who jointly exercised sovereign power. Julius Cæsar, Crassus, and Pompey were the first triumvirs; Octavianus (Augustus), Antony, and Lepidus were the second and last.
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Triumvirate (?), n. [L. triumviratus: cf. F. triumvirat.] 1. Government by three in coalition or association; the term of such a government.
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2. A coalition or association of three in office or authority; especially, the union of three men who obtained the government of the Roman empire.
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Triumviry (?), n. A triumvirate. [Obs.] Shak.
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Triune (?), a. [Pref. tri- + L. unus one. See .] Being three in one; -- an epithet used to express the unity of a trinity of persons in the Godhead.
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Triungulus (?), n.; pl. Triunguli (#). [NL. See , and .] (Zoöl.) The active young larva of any oil beetle. It has feet armed with three claws, and is parasitic on bees. See Illust. of Oil beetle, under .
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Triunity (?), n. The quality or state of being triune; trinity. Dr. H. More.
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Trivalence (?), n. (Chem.) The quality or state of being trivalent.
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Trivalent (?), a. [Pref. tri- + L. valens, -entis, p. pr. See .] (Chem.) Having a valence of three; capable of being combined with, substituted for, or compared with, three atoms of hydrogen; -- said of triad atoms or radicals; thus, nitrogen is trivalent in ammonia.
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Trivalve (?), n. [Pref. tri- + valve.] Anything having three valves, especially a shell.
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Trivalvular (?), a. [Pref. tri- + valvular.] Having three valves; three-valved.
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Trivant (?), n. A truant. [Obs.] Burton.
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Triverbial (?), a. [Pref. tri- + L. verbum a word.] (Rom. Antiq.) Pertaining to, or designating, certain days allowed to the pretor for hearing causes, when be might speak the three characteristic words of his office, do, dico, addico. They were called dies fasti.
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Trivet (?), n. [Probably through French fr. L. tripes, -edis, three-footed; tri- (see )+ pes, pedis, foot: cf. F. trépied. See , and cf. .] 1. A tree-legged stool, table, or other support; especially, a stand to hold a kettle or similar vessel near the fire; a tripod. [Written also trevet.]
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2. A weaver's knife. See . Knight.
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Coloq. Trivet table , a table supported by three legs. Dryden.
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Trivial (?), a. [L. trivialis, properly, that is in, or belongs to, the crossroads or public streets; hence, that may be found everywhere, common, fr. trivium a place where three roads meet, a crossroad, the public street; tri- (see ) + via a way: cf. F. trivial. See .] 1. Found anywhere; common. [Obs.]
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2. Ordinary; commonplace; trifling; vulgar.
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As a scholar, meantime, he was trivial, and incapable of labor. De Quincey.
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3. Of little worth or importance; inconsiderable; trifling; petty; paltry; as, a trivial subject or affair.
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The trivial round, the common task. Keble.
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4. Of or pertaining to the trivium.
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Coloq. Trivial name (Nat. Hist.), the specific name.
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Trivial, n. One of the three liberal arts forming the trivium. [Obs.] Skelton. Wood.
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Trivialism (?), n. A trivial matter or method; a triviality. Carlyle.
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Triviality (?), n.; pl. Trivialities (#). [Cf. F. trivialité] 1. The quality or state of being trivial; trivialness.
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2. That which is trivial; a trifle.
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The philosophy of our times does not expend itself in furious discussions on mere scholastic trivialities. Lyon Playfair.
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Trivially (?), adv. In a trivial manner.
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Trivialness, n. Quality or state of being trivial.
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Trivium (?), n. [LL. See .] 1. The three “ liberal” arts, grammar, logic, and rhetoric; -- being a triple way, as it were, to eloquence.
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☞ The trivium and quadrivium together made up the seven liberal arts. See .
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2. (Zoöl.) The three anterior ambulacra of echinoderms, collectively.
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Triweekly (?), a. [Pref. tri- + weekly.] Occurring or appearing three times a week; thriceweekly; as, a triweekly newspaper. -- adv. Three times a week. -- n. A triweekly publication.
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☞ This is a convenient word, but is not legitimately formed. It should mean occurring once in three weeks, as triennial means once in three years. Cf. .
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Troad (?), n. See . [Obs.]
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Troat (?), v. i. [Either onomatopoetic, or akin to throat.] To cry, as a buck in rutting time.
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Troat, n. The cry of a buck in rutting time.
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Trocar (?), n. [F. trocart (or trois-quarts, i. e., three quarters); trois three (L. tres) + carre the side of a sword blade; -- so called from its triangular point.] (Surg.) A stylet, usually with a triangular point, used for exploring tissues or for inserting drainage tubes, as in dropsy. [Written also trochar.]
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Trocha (?), n. [Sp., bypath, crossroad.] (Mil.) A line of fortifications, usually rough, constructed to prevent the passage of an enemy across a region. [Sp. Amer.]
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Trochaic (?), n. (Pros.) A trochaic verse or measure. Dryden.
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{ Trochaic (?), Trochaical (?), } a. [L. trochaïcus, Gr. � or �. See .] (Pros.) Of or pertaining to trochees; consisting of trochees; as, trochaic measure or verse.
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Trochal (?), a. [From Gr. � a wheel.] (Zoöl.) Resembling a wheel.
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Coloq. Trochal disk (Zoöl.), the cephalic disk of a rotifer. It is usually surrounded by a fringe of cilia.
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Trochanter (?), n. [NL., fr. Gr. �.] 1. (Anat.) One of two processes near the head of the femur, the outer being called the great trochanter, and the inner the small trochanter.
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2. (Zoöl.) The third joint of the leg of an insect, or the second when the trochantine is united with the coxa.
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Trochanteric (?), a. (Anat.) Of or pertaining to one or both of the trochanters.
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Trochantine (?), n. (Zoöl.) The second joint of the leg of an insect, -- often united with the coxa.
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Trochar (?), n. (Surg.) See .
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Troche (trōkē), n. [Gr. trochos anything round or circular, a wheel, properly, a runner, fr. trechein to run. Cf. .] (Pharm.) A medicinal tablet or lozenge; strictly, one of circular form.
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