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k up, or cause to fall to pieces, as a rock, by blows of a hammer, frost, rain, and other mechanical or atmospheric influences. Marlites are not disintegrated by exposure to the atmosphere, at least in six years. Kirwan.

Any mechanical contrivance intended to remedy a difficulty or serve some purpose in an exigency; as, the doctor of a calico- printing machine, which is a knife to remove superfluous coloring matter; the doctor, or auxiliary engine, called also donkey engine.

To draw in outline; to make a draught, sketch, or plan of, as in architectural and mechanical drawing. Draughting room, a room draughtsmen to work in, and where plans are kept.

especially electrical currents, by power; producing electricity or electrical currents by mechanical power.

action by any disturbance of molecular equilibrium, whether from a chemical, physical, or mechanical, cause.

The motion of electricity or its passage from one metal to another in a voltaic circuit; mechanical action produced by means of electricity.

An apparatus or machine for producing motion and mechanical effects by the action of electricity; an electro-magnetic engine.

A mechanical contrivance, usually an endless belt or chain with a series of scoops or buckets, for transferring grain to an upper loft for storage.

mes time or attention; office or post of business; service; as, agricultural employments; mechanical employments; public employments; in the employment of government. Cares are employments, and without employ The soul is on a rack. Young.

That branch of science which treats of the laws governing the physical or mechanical, in distinction from the vital, forces, and which comprehends the consideration and general investigation of the whole range of the forces concerned in physical phenomena. [R.]

t of managing engines; in its modern and extended sense, the art and science by which the mechanical properties of matter are made useful to man in structures and machines; the occupation and work of an engineer.

in acid salt two or more equivalents of acid unite with one or more equivalents of base. Mechanical equivalent of heat (Physics), the number of units of work which the unit of heat can perform; the mechanical energy which must be expended to raise the temperature of a unit weight of water from 0º C. to 1º C., or from…

Used or fit for every day; common; usual; as, an everyday suit or clothes. The mechanical drudgery of his everyday employment. Sir. J. Herchel.

expend time labor, and thought; to expend hay in feeding cattle, oil in a lamp, water in mechanical operations. If my death might make this island happy . . . I would expend it with all willingness. Shak.

To withdraw by expression, distillation, or other mechanical or chemical process; as, to extract an essence. Cf. Abstract, v. t., 6. Sunbeams may be extracted from cucumbers, but the process is tedious.

The act or process of filtering; the mechanical separation of a liquid from the undissolved particles floating in it.

generally, which changes, or tends to change, any physical relation between them, whether mechanical, thermal, chemical, electrical, magnetic, or of any other kind; as, the force of gravity; cohesive force; centrifugal force. Animal force (Physiol.), muscular force or energy. -- Catabiotic force Etym: [Gr. (Biol.), th…

a source of heat, and the work which can be done by it. It is approximately equal to the mechanical equivalent of the thermal unit divided by the number expressing the temperature in degrees of the air thermometer, reckoned from its zero of expansion. -- Circular functions. See Inverse trigonometrical functions (belo…

A piece of mechanism; mechanical device or contrivance; a gimcrack. [Obs.] Bp. Hall. Shak.

rlike bell, rung by striking it with a small hammer which is connected with it by various mechanical devices; a stationary bell, used to sound calls or alarms; -- called also gong bell. Gong metal, an alloy (78 parts of copper, 22 of tin), from which Oriental gongs are made.