Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of operation is as below...

Cooperation :: Cooperation (n.) The act of cooperating, or of operating together to one end; joint operation; concurrent effort or labor..

Smoke :: Smoke (v. t.) To subject to the operation of smoke, for the purpose of annoying or driving out; -- often with out; as, to smoke a woodchuck out of his burrow..

Tillage :: Tillage (n.) The operation, practice, or art of tilling or preparing land for seed, and keeping the ground in a proper state for the growth of crops..

Colotomy :: Colotomy (n.) An operation for opening the colo.

Leveling :: Leveling (n.) The act or operation of making level.

Coadjuvancy :: Coadjuvancy (n.) Joint help; cooperation.

Chance :: Chance (n.) The operation or activity of such agent.

Retort :: Retort (v. t.) A vessel in which substances are subjected to distillation or decomposition by heat. It is made of different forms and materials for different uses, as a bulb of glass with a curved beak to enter a receiver for general chemical operations, or a cylinder or semicylinder of cast iron for the manufacture of gas in gas works..

Reflection :: Reflection (n.) The reverting of the mind to that which has already occupied it; continued consideration; meditation; contemplation; hence, also, that operation or power of the mind by which it is conscious of its own acts or states; the capacity for judging rationally, especially in view of a moral rule or standard..

Activity :: Activity (n.) The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities..

Lithotripsy :: Lithotripsy (n.) The operation of crushing a stone in the bladder with an instrument called lithotriptor or lithotrite; lithotrity.

Intrafusion :: Intrafusion (n.) The act of pouring into a vessel; specif. (Med.), the operation of introducing a substance into a blood vessel; as, intrafusion of blood..

Cancellation :: Cancellation (n.) The operation of striking out common factors, in both the dividend and divisor..

Inquisition :: Inquisition (n.) A court or tribunal for the examination and punishment of heretics, fully established by Pope Gregory IX. in 1235. Its operations were chiefly confined to Spain, Portugal, and their dependencies, and a part of Italy..

Drug :: Drug (n.) Any animal, vegetable, or mineral substance used in the composition of medicines; any stuff used in dyeing or in chemical operations..

Distillation :: Distillation (n.) The separation of the volatile parts of a substance from the more fixed; specifically, the operation of driving off gas or vapor from volatile liquids or solids, by heat in a retort or still, and the condensation of the products as far as possible by a cool receiver, alembic, or condenser; rectification; vaporization; condensation; as, the distillation of illuminating gas and coal, of alcohol from sour mash, or of boric acid in steam..

Irrigation :: Irrigation (n.) The act or process of irrigating, or the state of being irrigated; especially, the operation of causing water to flow over lands, for nourishing plants..

Levigation :: Levigation (n.) The act or operation of levigating.

Purification :: Purification (n.) 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..

Reconnoitre :: Reconnoitre (v. t.) To examine with the eye to make a preliminary examination or survey of; esp., to survey with a view to military or engineering operations..

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