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To lull to sleep; to quiet; to compose. [Obs.] The operation of the masculine faculties of the soul were, for a while, well slacked and consopited. Dr. H. More.

The process of shortening an operation.

way of opposition; to come into conflict with; to oppose; to contradict; to obstruct the operation of; to defeat. So plain a proposition . . . was not likely to be contravened. Southey.

A plastic operation on the pupil, as for forming an artificial pupil. -- Cor`e*plas"tic (-plas"tik), a.

The operation of putting down or displacing the opaque lens in cataract.

The operation of opening the fetal head, in order to effect delivery.

To apply a cupping apparatus to; to subject to the operation of cupping. See Cupping.

One who performs the operation of cupping.

The operation of drawing blood to or from the surface of the person by forming a partial vacuum over the spot. Also, sometimes, a similar operation for drawing pus from an abscess. Cupping glass, a glass cup in which a partial vacuum is produced by heat, in the process of cupping. -- Dry cupping, the application of a…

To perform the operation of dividing, severing, incising, intersecting, etc.; to use a cutting instrument. He saved the lives of thousands by manner of cutting for the stone. Pope.

The act or practice of opening cysts; esp., the operation of cutting into the bladder, as for the extraction of a calculus.

- said of roads. Chaucer. The ways in that vale were very deep. Clarendon. A deep line of operations (Military), a long line. -- Deep mourning (Costume), mourning complete and strongly marked, the garments being not only all black, but also composed of lusterless materials and of such fashion as is identified with mou…

The act or operation of depriving of oxygen.

The operation of separating water from spirits and acids, by evaporation or repeated distillation; -- called also concentration, especially when acids are the subject of it. [Obs.]

The operation of reducing to a lower degree; -- said of equations.

The operation of deducing one function from another according to some fixed law, called the law of derivation, as the of differentiation or of integration.

Detonating primer, a primer exploded by a fuse; -- used to explode gun cotton in blasting operations. -- Detonating tube, a strong tube of glass, usually graduated, closed at one end, and furnished with two wires passing through its sides at opposite points, and nearly meeting, for the purpose of exploding gaseous mix…

To change the form of, as of an algebraic expression, by executing certain indicated operations without changing the value.

he discursive faculty, its acts or products. I would employ . . . dianoetic to denote the operation of the discursive, elaborative, or comparative faculty. Sir W. Hamilton.

The science of the dianoetic faculties, and their operations. Sir W. Hamilton.