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w out; to cause to appear; to produce against counter agency or influence; to extract; to evolve; as, to educe a form from matter. The eternal art educing good from ill. Pope. They want to educe and cultivate what is best and noblest in themselves. M. Arnold.

gnetism by means of voltaic electricity, and of the properties or actions of the currents evolved.

ct figures are drawn, but which form to the eye regular figures when the card is rapidly revolved. See Thaumatrope.

A yellow or greenish yellow gas, first prepared by Davy, evolved from potassium chlorate and hydrochloric acid. It is supposed to consist of chlorine tetroxide with some free chlorine.

A curve from which another curve, called the involute or evolvent, is described by the end of a thread gradually wound upon the former, or unwound from it. See Involute. It is the locus of the centers of all the circles which are osculatory to the given curve or evolvent.

Evolved; unfolded. Jer. Taylor.

To cause to be emitted or evolved; as, to extricate heat or moisture.

stopped, the band is transferred from the pulley fixed to the shaft to the pulley which revolves freely upon it, and vice versa. -- Hard and fast (Naut.), so completely aground as to be immovable. -- To make fast (Naut.), to make secure; to fasten firmly, as a vessel, a rope, or a door.

ats pass, and thus bear them over the shoal. Flash wheel (Mech.), a paddle wheel made to revolve in a breast or curved water way, by which water is lifted from the lower to the higher level.

haft or pulley is so forcibly pressed against a piece on another shaft that the two will revolve together; as, in the illustration, the cone a on one shaft, when thrust forcibly into the corresponding hollow cone b on the other shaft, compels the shafts to rotate together, by the hold the friction of the conical surfac…

k produced by an electric current. -- Friction fuze, a fuze which is ignited by the heat evolved by friction. -- Percussion fuze, a fuze in which the ignition is produced by a blow on some fulminating compound. -- Time fuze, a fuze adapted, either by its length or by the character of its composition, to burn a certa…

An American machine gun, consisting of a cluster of barrels which, being revolved by a crank, are automatically loaded and fired.

neration by which the germ is produced; and the act of development, by which that germ is evolved into the complete organism. Carpenter.

To revolve round a central point; to move spirally about an axis, as a tornado; to revolve.

Pertaining to, produced by, or consisting of, electricity evolved by the action or use of fluids; as, hydrogalvanic currents. [R.]

raced by the end of a string wound upon another curve, or unwound from it; -- called also evolvent. See Evolute.

xcept Venus, and the largest of them all, its mean diameter being about 85,000 miles. It revolves about the sun in 4,332.6 days, at a mean distance of 5.2028 from the sun, the earth's mean distance being taken as unity. Jupiter's beard. (Bot.) (a) A South European herb, with cymes of small red blossoms (Centranthus rub…

he like, or in polishing cutlery, etc. It is usually in the form of wheel or disk, which revolves on a vertical axis. Lap joint, a joint made by one layer, part, or piece, overlapping another, as in the scarfing of timbers. -- Lap weld, a lap joint made by welding together overlapping edges or ends. -- Inside lap (St…

To let slip; to permit to devolve on another; to allow to pass. An appeal may be deserted by the appellant's lapsing the term of law. Ayliffe.

ing, that is, for shaping articles of wood, metal, or other material, by causing them to revolve while acted upon by a cutting tool.