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time, seasons, etc., depending on the revolution of the earth. But grief returns with the revolving year. Shelley. Revolving seasons, fruitless as they pass. Cowper. Revolving firearm. See Revolver. -- Revolving light, a light or lamp in a lighthouse so arranged as to appear and disappear at fixed intervals, either by…

Deep thought; muse. [Obs.] Here I . . . fell into a strong and deep amusement, revolving in my mind, with great perplexity, the amazing change of our affairs. Fleetwood.

The solid formed by a circle revolving around a line which is the plane of the circle but does not cut it.

An optical toy for producing amusing figures or pictures by means of two revolving disks, on one of which distorted figures are painted.

r tympanic cavity. -- Barrel organ, an instrument for producing music by the action of a revolving cylinder. -- Barrel vault. See under Vault.

A process of extracting gold or silver by treating the ore in a revolving barrel, or drum, with mercury, chlorine, cyanide solution, or other reagent.

The chips or fragments made by boring. Boring bar, a revolving or stationary bar, carrying one or more cutting tools for dressing round holes. -- Boring tool (Metal Working), a cutting tool placed in a cutter head to dress round holes. Knight.

, made of steel, to be pressed through irregular holes in metal that cannot be dressed by revolving tools; a drift.

A circular revolving brush used by turners, lapidaries, silversmiths, etc., for polishing.

for watering them and giving them a wavy appearance. It consists of two or more cylinders revolving nearly in contact, with the necessary apparatus for moving and regulating.

A hollow cylindrical piece carried by a revolving shaft, on which it may, however, revolve independently.

A vertical cleated drum or cylinder, revolving on an upright spindle, and surmounted by a drumhead with sockets for bars or levers. It is much used, especially on shipboard, for moving or raising heavy weights or exerting great power by traction upon a rope or cable, passing around the drum. It is operated either by st…

A revolving piece of fireworks resembling in form the window of the same name. [Written also Catharine wheel.]

hich Mädler supposed the solar system together with all the stars in the Milky Way, to be revolving. A point near Alcyone in the Pleiades was supposed to possess characteristics of the position of such a body.

ipetal force (Mech.), a force whose direction is towards a center, as in case of a planet revolving round the sun, the center of the system, See Centrifugal force, under Centrifugal. -- Centripetal impression (Physiol.), an impression (sensory) transmitted by an afferent nerve from the exterior of the body inwards, to…

points, used for cutting or finishing screw threads, either external or internal, on work revolving in a lathe.

An instrument for measuring or recording intervals of time, upon a revolving drum or strip of paper moved by clockwork. The action of the stylus or pen is controlled by electricity.

ace in a chuck, or hold by means of a chuck, as in turning; to bore or turn (a hole) in a revolving piece held in a chuck.

sel in which milk or cream is stirred, beaten, or otherwise agitated (as by a plunging or revolving dasher) in order to separete the oily globules from the other parts, and obtain butter.

The act of moving or revolving around, or as in a circle or orbit; a revolution; as, the periodical circuit of the earth round the sun. Watts.