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Tripod

Any utensil or vessel, as a stool, table, altar, caldron, etc., supported on three feet.

Tripodian

An ancient stringed instrument; -- so called because, in form, it resembled the Delphic tripod.

Tripody

Three metrical feet taken together, or included in one measure.

Tripoli

An earthy substance originally brought from Tripoli, used in polishing stones and metals. It consists almost wholly of the siliceous shells of diatoms.

Tripoline

Of or pertaining to Tripoli or its inhabitants; Tripolitan.

Tripolitan

Of or pertaining to Tripoli or its inhabitants; Tripoline. A native or inhabitant of Tripoli.

Tripper

One who trips or supplants; also, one who walks or trips nimbly; a dancer.

Trippet

A cam, wiper, or projecting piece which strikes another piece repeatedly.

Tripping

Act of one who, or that which, trips.

Trippingly

In a tripping manner; with a light, nimble, quick step; with agility; nimbly.

Triptych

Anything in three parts or leaves. A writing tablet in three parts, two of which fold over on the middle part.

Tripudiary

Of or pertaining to dancing; performed by dancing.

Triquadrantal

Having three quadrants; thus, a triquadrantal triangle is one whose three sides are quadrants, and whose three angles are consequently right angles.

Triquetrous

Three sided, the sides being plane or concave; having three salient angles or edges; trigonal.

Triquetrum

One of the bones of the carpus; the cuneiform. See Cuneiform (b).

Trireme

An ancient galley or vessel with tree banks, or tiers, of oars.

Trisacramentarian

One who recognizes three sacraments, and no more; -- namely, baptism, the Lord's Supper, and penance. See Sacrament.

Trisagion

An ancient anthem, -- usually known by its Latin name tersanctus.See Tersanctus.

Trisect

To cut or divide into three parts.

Trisected

Divided into three parts or segments by incisions extending to the midrib or to the base; -- said of leaves.

Trisection

The division of a thing into three parts, Specifically: (Geom.) the division of an angle into three equal parts.

Triskele Triskelion

A figure composed of three branches, usually curved, radiating from a center, as the figure composed of three human legs, with bent knees, which has long been used as a badge or symbol of Sicily and of the Isle of Man.

Trisnitrate

A nitrate formed from three molecules of nitric acid; also, less properly, applied to certain basic nitrates; as, trisnitrate of bismuth.

Trisoctahedron

A solid of the isometric system bounded by twenty-four equal faces, three corresponding to each face of an octahedron.

Trispermous

Containing three seeds; three-seeded; as, a trispermous capsule.

Trisplanchnic

Of or pertaining to the three great splanchnic cavities, namely, that of the head, the chest, and the abdomen; -- applied to the sympathetic nervous system.

Trist

Sad; sorrowful; gloomy.

Tristoma

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.

Trisulc

Something having three forks or prongs, as a trident.

Trisulcate

Having three furrows, forks, or prongs; having three grooves or sulci; three-grooved.

Trisulphide

A sulphide containing three atoms of sulphur.

Trisyllabical Trisyllabic

Of or pertaining to a trisyllable; consisting of three syllables; as, /syllable/ is a trisyllabic word.

Trisyllable

A word consisting of three syllables only; as, a-ven-ger.

Trite

Worn out; common; used until so common as to have lost novelty and interest; hackneyed; stale; as, a trite remark; a trite subject.

Triternate

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.

Tritheism

The opinion or doctrine that the Father, Son, and Holy Spirit are three distinct Gods.

Trithing

One of three ancient divisions of a county in England; -- now called riding.

Trithionic

Of or pertaining to, or designating, a certain thionic acid, H2S3O6 which is obtained as a colorless, odorless liquid.

Tritiated

containing tritium; -- of chemical compounds; as, tritiated thymine.

Triticin

A carbohydrate isomeric with dextrin, obtained from quitch grass (Agropyrum repens, formerly Triticum repens) as a white amorphous substance.

Triticum

A genus of grasses including the various species of wheat.

tritium

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.

Triton

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.

Tritone

A superfluous or augmented fourth.

Tritovum

An embryonic insect which has twice cast its skin previous to hatching from the egg.

Tritozooid

A zooid of the third generation in asexual reproduction.

Tritubercular

Having or designating teeth with three cusps or tubercles; tricuspid. Pertaining to trituberculy.

Trituberculy

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.

Trituration

The act of triturating, or reducing to a fine or impalpable powder by grinding, rubbing, bruising, etc.

Triture

A rubbing or grinding; trituration.

Triturium

A vessel for separating liquids of different densities.

Triumph

To obtain a victory over; to prevail over; to conquer. Also, to cause to triumph.

Triumpher

One who was honored with a triumph; a victor.

Triumphing

Having or celebrating a triumph; victorious; triumphant.

Triumvir

One of tree men united in public office or authority.

Triumvirate

Government by three in coalition or association; the term of such a government.

Triune

Being three in one; -- an epithet used to express the unity of a trinity of persons in the Godhead.

Triungulus

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 Oil.

Triunity

The quality or state of being triune; trinity.

Trivalence

The quality or state of being trivalent.

Trivalent

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.

Trivalve

Anything having three valves, especially a shell.

Triverbial

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.

Trivet

A tree-legged stool, table, or other support; especially, a stand to hold a kettle or similar vessel near the fire; a tripod.

Trivial

One of the three liberal arts forming the trivium.

Trivialism

A trivial matter or method; a triviality.

Triviality

The quality or state of being trivial; trivialness.

Trivium

The three / liberal/ arts, grammar, logic, and rhetoric; -- being a triple way, as it were, to eloquence.

Triweekly

Occurring or appearing three times a week; thriceweekly; as, a triweekly newspaper. Three times a week. A triweekly publication.

Troat

The cry of a buck in rutting time.

Trocar

A stylet, usually with a triangular point, used for exploring tissues or for inserting drainage tubes, as in dropsy.

Trocha

A line of fortifications, usually rough, constructed to prevent the passage of an enemy across a region.

Trochaical Trochaic

Of or pertaining to trochees; consisting of trochees; as, trochaic measure or verse.

Trochanter

One of two processes near the head of the femur, the outer being called the great trochanter, and the inner the small trochanter.

Trochanteric

Of or pertaining to one or both of the trochanters.

Trochantine

The second joint of the leg of an insect, -- often united with the coxa.

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