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Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial. For whatsoever mother wit or art Could work, he put in proof. Spenser. You shall have many proofs to show your skill. Ford. Formerly, a very rude mode of ascertaining the strength of spirits was prac…

A statement in terms of a truth to be demonstrated, or of an operation to be performed.

To test, evince, ascertain, or verify, as the correctness of any operation or result; thus, in subtraction, if the difference between two numbers, added to the lesser number, makes a sum equal to the greater, the correctness of the subtraction is proved.

the science which treats of the relations of the psychical and physical in their conjoint operation in man; the doctrine of the relation of function or dependence between body and soul.

To move or operate by the motion of drawing towards one; as, to pull a bell; to pull an oar.

d of quibble or equivocation. Addison. A better put on this word was made on the Beggar's Opera, which, it was said, made Gay rich, and Rich gay. Walpole.

To operate on as, or by means of, a cathartic medicine, or in a similar manner.

The act of purifying; the act or operation of separating and removing from anything that which is impure or noxious, or heterogeneous or foreign to it; as, the purification of liquors, or of metals.

heir deliverer Puts invincible might. Milton. In the mean time other measures were put in operation. Sparks.

aving the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of finding an expression for the area of a figure bounded wholly or in part by a curved line, as by a curve, two ordinates, and the axis of abscissas.

utter with quavers. We shall hear her quavering them . . . to some sprightly airs of the opera. Addison.

The method or art of performing arithmetical operations by means of Napier's bones. See Napier's bones. [Written also rhabdology.]

iotelegraphic station serving solely for determining the position of ships. The radius of operation of such stations was restricted by the International Radiotelegraphic Convention (1912) to 30 nautical miles.

The construction of a railroad; the business of managing or operating a railroad. [Colloq. U. S.]

Specifically, the operation or work of setting up the frame of a building; as, to help at a raising. [U.S.]

aliber, firing a shell of not less than one pound weight, the explosion of each cartridge operating the mechanism for ejecting the empty shell, loading, and firing the next shot, the latter being guns that require one operation of the hand at each discharge, to load the gun. (2)

The act or operation of reanimating, or the state of being reanimated; reinvigoration; revival.

To perform the act or operation of reaping; to gather a harvest. They that sow in tears shall reap in joy. Ps. cxxvi. 5.

sed of principles. Coleridge. The sense perceives; the understanding, in its own peculiar operation, conceives; the reason, or rationalized understanding, comprehends. Coleridge.

der order of court to obtain funds for the preservation of the assets held by him, as for operating a railroad. Receivers' certificates are ordinarily a first lien on the assets, prior to that of bonds or other securities.