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Terror

Extreme fear; fear that agitates body and mind; violent dread; fright.

Terrorism

The act of terrorizing, or state of being terrorized; a mode of government by terror or intimidation.

Terrorist

One who governs by terrorism or intimidation; specifically, an agent or partisan of the revolutionary tribunal during the Reign of Terror in France.

Terrorize

To impress with terror; to coerce by intimidation.

Terry

A kind of heavy colored fabric, either all silk, or silk and worsted, or silk and cotton, often called terry velvet, used for upholstery and trimmings.

Tersanctus

An ancient ascription of praise (containing the word /Holy/ -- in its Latin form, /Sanctus/ -- thrice repeated), used in the Mass of the Roman Catholic Church and before the prayer of consecration in the communion service of the Church of England and the Protestant Episcopal Church. Cf. Trisagion.

Terse

Appearing as if rubbed or wiped off; rubbed; smooth; polished.

Tertian

A disease, especially an intermittent fever, which returns every third day, reckoning inclusively, or in which the intermission lasts one day.

Tertiary

A member of the Third Order in any monastic system; as, the Franciscan tertiaries; the Dominican tertiaries; the Carmelite tertiaries. See Third Order, under Third.

Tertiate

To do or perform for the third time.

Terutero

The South American lapwing (Vanellus Cayennensis). Its wings are furnished with short spurs. Called also Cayenne lapwing.

Terzetto

A composition in three voice parts; a vocal (rarely an instrumental) trio.

Tesselar

Formed of tesserae, as a mosaic.

Tessellata

A division of Crinoidea including numerous fossil species in which the body is covered with tessellated plates.

Tessellated

Formed of little squares, as mosaic work; checkered; as, a tessellated pavement.

Tessellation

The act of tessellating; also, the mosaic work so formed.

Tessera

A small piece of marble, glass, earthenware, or the like, having a square, or nearly square, face, used by the ancients for mosaic, as for making pavements, for ornamenting walls, and like purposes; also, a similar piece of ivory, bone, wood, etc., used as a ticket of admission to theaters, or as a certificate for successful gladiators, and as a token for various other purposes.

Tesseraic

Diversified by squares; done in mosaic; tessellated.

Tesseral

Of, pertaining to, or containing, tesserae.

Test

To make a testament, or will.

Test-market

to market (a product) in a limited area for a period of time to determine the probable demand.

Testa Test

The external hard or firm covering of many invertebrate animals.

Testable

Capable of being tested or proved.

Testacea

Invertebrate animals covered with shells, especially mollusks; shellfish.

Testaceography

The science which treats of testaceans, or shellfish; the description of shellfish.

Testaceous

Of or pertaining to shells; consisted of a hard shell, or having a hard shell.

Testacy

The state or circumstance of being testate, or of leaving a valid will, or testament, at death.

Testament

A solemn, authentic instrument in writing, by which a person declares his will as to disposal of his estate and effects after his death.

Testamental

Of or pertaining to a testament; testamentary.

Testamentary

Of or pertaining to a will, or testament; as, letters testamentary.

Testamur

A certificate of merit or proficiency; -- so called from the Latin words, Ita testamur, with which it commences.

Testate

One who leaves a valid will at death; a testate person.

Testator

A man who makes and leaves a will, or testament, at death.

Testatrix

A woman who makes and leaves a will at death; a female testator.

Teste

A witness. The witnessing or concluding clause, duty attached; -- said of a writ, deed, or the like.

Tester

An old French silver coin, originally of the value of about eighteen pence, subsequently reduced to ninepence, and later to sixpence, sterling. Hence, in modern English slang, a sixpence; -- often contracted to tizzy. Called also teston.

Testes

pl. of Teste, or of Testis.

Testicardines

A division of brachiopods including those which have a calcareous shell furnished with a hinge and hinge teeth. Terebratula and Spirifer are examples.

Testicle

One of the essential male genital glands which secrete the semen.

Testicond

Having the testicles naturally concealed, as in the case of the cetaceans.

Testiculate

Shaped like a testicle, ovate and solid. Having two tubers resembling testicles in form, as some species of orchis.

Testiere

A piece of plate armor for the head of a war horse; a tester.

Testif

Testy; headstrong; obstinate.

Testification

The act of testifying, or giving testimony or evidence; as, a direct testification of our homage to God.

Testifier

One who testifies; one who gives testimony, or bears witness to prove anything; a witness.

Testify

In a testy manner; fretfully; peevishly; with petulance.

Testimony

To witness; to attest; to prove by testimony.

Testiness

The quality or state of being testy; fretfulness; petulance.

Testing

The act of testing or proving; trial; proof.

Testone

A silver coin of Portugal, worth about sixpence sterling, or about eleven cents.

Testoon

An Italian silver coin. The testoon of Rome is worth 1s. 3d. sterling, or about thirty cents.

Testosterone

a steroid hormone (C19H28O2) produced mostly in the testes, which is responsible for producing the secondary sexual characteristics of males.

Testudinal

Of, pertaining to, or resembling, a tortoise.

Testudinarious

Of or pertaining to the shell of a tortoise; resembling a tortoise shell; having the color or markings of a tortoise shell.

Testudinata

An order of reptiles which includes the turtles and tortoises. The body is covered by a shell consisting of an upper or dorsal shell, called the carapace, and a lower or ventral shell, called the plastron, each of which consists of several plates.

Testudo

A genus of tortoises which formerly included a large number of diverse forms, but is now restricted to certain terrestrial species, such as the European land tortoise (Testudo Graeca) and the gopher of the Southern United States.

Testy

Fretful; peevish; petulant; easily irritated.

Tetanic

A substance (notably nux vomica, strychnine, and brucine) which, either as a remedy or a poison, acts primarily on the spinal cord, and which, when taken in comparatively large quantity, produces tetanic spasms or convulsions.

Tetanin

A poisonous base (ptomaine) formed in meat broth through the agency of a peculiar microbe from the wound of a person who has died of tetanus; -- so called because it produces tetanus as one of its prominent effects.

Tetanize

To throw, as a muscle, into a state of permanent contraction; to cause tetanus in. See Tetanus, n., 2.

Tetanomotor

An instrument from tetanizing a muscle by irritating its nerve by successive mechanical shocks.

Tetanus

A painful and usually fatal disease, resulting generally from a wound, and having as its principal symptom persistent spasm of the voluntary muscles. When the muscles of the lower jaw are affected, it is called locked-jaw, or lickjaw, and it takes various names from the various incurvations of the body resulting from the spasm.

Tetany

A morbid condition resembling tetanus, but distinguished from it by being less severe and having intermittent spasms.

Tetard

A gobioid fish (Eleotris gyrinus) of the Southern United States; -- called also sleeper.

Tetartohedral

Having one fourth the number of planes which are requisite to complete symmetry.

Tete

A kind of wig; false hair.

Tete-a-tete

Face to face; privately or confidentially; familiarly.

Tete-de-pont

A work thrown up at the end of a bridge nearest the enemy, for covering the communications across a river; a bridgehead.

Tetel

A large African antelope (Alcelaphus tora). It has widely divergent, strongly ringed horns.

Tether

To confine, as an animal, with a long rope or chain, as for feeding within certain limits.

Tether-ball

A game played with rackets and a ball suspended by a string from an upright pole, the object of each side being to wrap the string around the pole by striking the ball in a direction opposite to the other.

Tethyodea

A division of Tunicata including the common attached ascidians, both simple and compound. Called also Tethioidea.

Tethys

A genus of a large naked mollusks having a very large, broad, fringed cephalic disk, and branched dorsal gills. Some of the species become a foot long and are brilliantly colored.

Tetrabasic

Capable of neutralizing four molecules of a monacid base; having four hydrogen atoms capable of replacement by bases; quadribasic; -- said of certain acids; thus, normal silicic acid, Si(OH)4, is a tetrabasic acid.

Tetrabranchiata

An order of Cephalopoda having four gills. Among living species it includes only the pearly nautilus. Numerous genera and species are found in the fossil state, such as Ammonites, Baculites, Orthoceras, etc.

Tetrabranchiate

Of or pertaining to the Tetrabranchiata. One of the Tetrabranchiata.

Tetrachord

A scale series of four sounds, of which the extremes, or first and last, constituted a fourth. These extremes were immutable; the two middle sounds were changeable.

Tetrachotomous

Having a division by fours; separated into four parts or series, or into series of fours.

Tetracid

Capable of neutralizing four molecules of a monobasic acid; having four hydrogen atoms capable of replacement ba acids or acid atoms; -- said of certain bases; thus, erythrine, C4H6(OH)4, is a tetracid alcohol.

Tetracolon

A stanza or division in lyric poetry, consisting of four verses or lines.

Tetractinellid

Any species of sponge of the division Tetractinellida. Also used adjectively.

Tetractinellida

A division of Spongiae in which the spicules are siliceous and have four branches diverging at right angles. Called also Tetractinellinae.

Tetrad

The number four; a collection of four things; a quaternion.

Tetradactylous

Having, or characterized by, four digits to the foot or hand.

Tetradecane

A light oily hydrocarbon, C14H30, of the marsh-gas series; -- so called from the fourteen carbon atoms in the molecule.

Tetradic

Of or pertaining to a tetrad; possessing or having the characteristics of a tetrad; as, a carbon is a tetradic element.

Tetradite

A person in some way remarkable with regard to the number four, as one born on the fourth day of the month, or one who reverenced four persons in the Godhead.

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