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e for producing motion and mechanical effects by the action of electricity; an electro-magnetic engine.

An exciting and depolarizing acid solution used in certain cells or batteries, as the Grenet battery. Electropoion is best prepared by mixing one gallon of concentrated sulphuric acid diluted with three gallons of water, with a solution of six pounds of potassium bichromate in two gallons of boiling water. It should be…

ystem of calculations depends, or general conclusions are based; as, the elements of a planet's orbit.

The elliptical orbit of a planet. The Sun flies forward to his brother Sun; The dark Earth follows wheeled in her ellipse. Tennyson.

ertaining to an ellipse; having the form of an ellipse; oblong, with rounded ends. The planets move in elliptic orbits. Cheyne.

To depart to, or be at, a distance; esp., to recede apparently from the sun, as a planet in its orbit. [R.]

The angular distance of a planet from the sun; as, the elongation of Venus or Mercury.

s and some New World sparrows. Syn. -- subfamily Emberizidae, subfamily Emberizinae. [WordNet 1.5]

e act of embroiling, or the condition of being embroiled; entanglement in a broil. Bp. Burnet.

ts for grinding and polishing hard substances. Native emery is mixed with more or less magnetic iron. See the Note under Corundum. Emery board, cardboard pulp mixed with emery and molded into convenient. -- Emery cloth or paper, cloth or paper on which the powder of emery is spread and glued for scouring and polishing…

To incur the hazard of; to risk. [Obs.] He that turneth the humors back . . . endangereth malign ulcers. Bacon.

or pictorial representation; to carve figures; to mark with incisions. Like . . . . a signet thou engrave the two stones with the names of the children of Israel. Ex. xxviii. 11.

phorically, to insnare; to perplex; to bewilder; to puzzle; as, to entangle the feet in a net, or in briers. "Entangling alliances." Washington. The difficulties that perplex men's thoughts and entangle their understandings. Locke. Allowing her to entangle herself with a person whose future was so uncertain. Froude.…

r go into; to pass into the interior of; to pass within the outer cover or shell of; to penetrate; to pierce; as, to enter a house, a closet, a country, a door, etc.; the river enters the sea. That darksome cave they enter. Spenser. I, . . . with the multitude of my redeemed, Shall enter heaven, long absent. Milton.…

zed or living ferment; a soluble, or chemical, ferment. Ptyalin, pepsin, diastase, and rennet are good examples of enzymes.

Any tabular statement of the assigned places of a heavenly body, as a planet or comet, on several successive days.

One who studies the daily motions and positions of the planets. Howell.

of a greater circle; or a small circle, whose center, being fixed in the deferent of a planet, is carried along with the deferent, and yet, by its own peculiar motion, carries the body of the planet fastened to it round its proper center. The schoolmen were like astronomers which did feign eccentries, and epicycles, an…

oes; as, epidemic rage; an epidemic evil. It was the epidemical sin of the nation. Bp. Burnet.

The date at which a planet or comet has a longitude or position.