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A machine for measuring at any moment velocity of rotation, as of a wheel of a steam engine. Knight.

A solid body which may be generated by the rotation of a parallelogram round one its sides; or a body of rollerlike form, of which the longitudinal section is oblong, and the cross section is circular.

electric wave, a process usually accomplished by some method of tapping or shaking, or by rotation of the coherer.

A chevrotain. See Kanchil, and Napu.

tly vertical line of descent which occurs in a body falling freely, in consequence of the rotation of the earth. -- Deviation of the compass, the angle which the needle of a ship's compass makes with the magnetic meridian by reason of the magnetism of the iron parts of the ship. -- Deviation of the line of the vertic…

(adv. Towards the right; as, the hands of a watch rotate dextrally.

rates which change easily to their respective varieties of sugar. It is so named from its rotating the plane of polarization to the right; -- called also British gum, Alsace gum, gommelin, leiocome, etc. See Achroödextrin, and Erythrodextrin.

having the property of turning the plane of polarized light to the right; as, dextrotartaric acid.

Same as Dextrorotatory.

In owls, the space around the eyes. Disk engine, a form of rotary steam engine. -- Disk shell (Zoöl.), any species of Discina.

An apparatus for distributing an electric current, either to various points in rotation, as in some motors, or along two or more lines in parallel, as in a distributing system.

iurnal aberration (Anat.), the aberration of light arising from the effect of the earth's rotation upon the apparent direction of motion of light. -- Diurnal arc, the arc described by the sun during the daytime or while above the horizon; hence, the arc described by the moon or a star from rising to setting. -- Diurn…

level having a short telescope (hence its name) rigidly fixed to a table capable only of rotatory movement in a horizontal plane. The telescope is usually an inverting one. It is sometimes called the Troughton level, from the name of the inventor, and a variety improved by one Gavatt is known as the Gavatt level.…

he steam engine. (b) A cogwheel set to turn about an eccentric axis used to give variable rotation. -- Eccentric hook or gab, a hook-shaped journal box on the end of an eccentric rod, opposite the strap. -- Eccentric rod, the rod that connects as eccentric strap with any part to be acted upon by the eccentric. -- Ec…

ain action of a play, poem, and the like, and leads on to the catastrophe; -- opposed to protasis.

A quintain; -- from its form. [Obs.] Chaucer. Fan blower, a wheel with vanes fixed on a rotating shaft inclosed in a case or chamber, to create a blast of air (fan blast) for forge purposes, or a current for draft and ventilation; a fanner. -- Fan cricket (Zoöl.), a mole cricket. -- Fan light (Arch.), a window over a…

s will lie and be dealt from the pack. Faro bank, the capital which the proprietor of a farotable ventures in the game; also, the place where a game of faro is played. Hoyle.

esp., the reheating of a globe of crown glass to allow it to assume a flat shape as it is rotated.

g applied by the hand through a cord winding in reverse directions upon the spindle as it rotates backward and forward. Knight. -- Fly fishing, the act or art of angling with a bait of natural or artificial flies. Walton. -- Fly flap, an implement for killing flies. -- Fly governor, a governor for regulating the spe…

The fan wheel that rotates the cap of a windmill as the wind veers. Internat. Cyc.