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logic) The name given to the third of the "three logical axioms," so-called, namely, to that one which is expressed by the formula: "Everything is either A or Not-A." no third state or condition being involved or allowed. See Principle of contradiction, under Contradiction.

ing to Euglena and related genera; -- so called because it has a colored spot like an eye at one end. -- Eye doctor, an oculist. -- Eye of a volute (Arch.), the circle in the center of volute. -- Eye of day, Eye of the morning, Eye of heaven, the sun. "So gently shuts the eye day." Mrs. Barbauld. -- Eye of a ship,…

A bar with an eye at one or both ends.

n nerves of the body, perceives external objects, or certain states of the body itself; that one of the five senses which resides in the general nerves of sensation distributed over the body, especially in its surface; the sense of touch; nervous sensibility to external objects. Why was the sight To such a tender ball…

The space covered by an optical instrument at one view. Without covering, save yon field of stars. Shak. Ask of yonder argent fields above. Pope.

ingers. See under Burn. -- To have a finger in, to be concerned in. [Colloq.] -- To have at one's fingers' ends, to be thoroughly familiar with. [Colloq.]

ve. 1 Tim. ii. 13. At first, At the first, at the beginning or origin. -- First or last, at one time or another; at the beginning or end. And all are fools and lovers first or last. Dryden.

tula; an anal fistula; a recto-vaginal fistula. Incomplete fistula (Med.), a fistula open at one end only.

A small wooden pipe, having six or more holes, and a mouthpiece inserted at one end. It produces a shrill sound, softer than of the piccolo flute, and is said to have superseded the old recorder. Flageolet tones (Mus.), the naturel harmonics or overtones of stringed instruments.

covers a sheep or other similar animal; also, the quantity shorn from a sheep, or animal, at one time. Who shore me Like a tame wether, all my precious fleece. Milton.

er. Knight. (c) The part of the shore between high and low water marks. -- Fore sight, that one of the two sights of a gun which is near the muzzle. -- Fore tackle (Naut.), the tackle on the foremast of a ship. -- Fore topmast. (Naut.) See Fore-topmast, in the Vocabulary. -- Fore wind, a favorable wind. [Obs.] Sail…

ithout reservation; to resign. To them that list the world's gay shows I leave, And to great ones such folly do forgive. Spenser.

(Mach.) To operate like a freewheel, so that one part moves freely over another which normally moves with it; -- said of a clutch.

A border or edging secured at one edge and left free at the other, usually fluted or crimped like a very narrow flounce.

us for illustrating certain principles in statics, consisting of a cord or chain attached at one end to a fixed point, and having the other passed over a pulley and sustaining a weight, while one or more other weights are suspended from the cord at points between the fixed support and the pulley. -- Funicular polygon…

the Eastern names, respectively, for a gang of saws for cutting the round log into boards at one operation. Knight. -- Slabbing gang, an arrangement of saws which cuts slabs from two sides of a log, leaving the middle part as a thick beam.

An apparatus for holding and measuring of gas; in gas works, a huge iron cylinder closed at one end and having the other end immersed in water, in which it is made to rise or fall, according to the volume of gas it contains, or the pressure required.

o are of the same genealogical rank or remove from an ancestor; the mass of beings living at one period; also, the average lifetime of man, or the ordinary period of time at which one rank follows another, or father is succeeded by child, usually assumed to be one third of a century; an age. This is the book of the gen…

Pertaining to nativities; calculated by astrologers; showing position of stars at one's birth. Howell.

- Germ cell (Biol.), the germ, egg, spore, or cell from which the plant or animal arises. At one time a part of the body of the parent, it finally becomes detached,and by a process of multiplication and growth gives rise to a mass of cells, which ultimately form a new individual like the parent. See Ovum. -- Germ glan…