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Operation   /ˌɑpərˈeɪʃən/   Listen
Operation

noun
1.
The state of being in effect or being operative.
2.
A business especially one run on a large scale.  "A multinational operation" , "They paid taxes on every stage of the operation" , "They had to consolidate their operations"
3.
A planned activity involving many people performing various actions.  "The biggest police operation in French history" , "Running a restaurant is quite an operation" , "Consolidate the companies various operations"
4.
(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction).
5.
Activity by a military or naval force (as a maneuver or campaign).  Synonym: military operation.
6.
A medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body.  Synonyms: surgery, surgical operation, surgical procedure, surgical process.  "He died while undergoing surgery"
7.
A process or series of acts especially of a practical or mechanical nature involved in a particular form of work.  Synonym: procedure.  "Certain machine tool operations"
8.
Process or manner of functioning or operating.  Synonyms: functioning, performance.  "The plane's operation in high winds" , "They compared the cooking performance of each oven" , "The jet's performance conformed to high standards"
9.
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents.  Synonyms: cognitive operation, cognitive process, mental process, process.  "The cognitive operation of remembering"
10.
(mathematics) calculation by mathematical methods.  Synonyms: mathematical operation, mathematical process.  "They were learning the basic operations of arithmetic"
11.
The activity of operating something (a machine or business etc.).



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"Operation" Quotes from Famous Books



... caught us up again, I threw out more notes at intervals, and the last thousand roubles went just as we came in sight of DENIKIN'S outposts fifteen miles down the line. We were saved, but I had lost my fortune, for there was no chance of repeating the operation." ...
— Punch, or the London Charivari, Vol. 158, March 17, 1920 • Various

... furniture and carpets, generally for granted, being as a rule absorbed in the great things of life, that is, play. This child was very diligently blowing bubbles, occasionally turning aside up a by-path to make a bubble-pudding in the soap-dish: the ruckling noise of this operation possessing some magical fascination for all childhood. And in the meanwhile, yellow dusk was gradually deepening in the quiet air. Presently the tired sun sank like a weight, red-hot, burning his way down through filmy layers of Indian ...
— The Substance of a Dream • F. W. Bain

... squire's residence, had belonged to the Odouart de Buxieres for more than two centuries. Before the Revolution, Christophe de Buxieres, grandfather of the last proprietor, had owned a large portion of Vivey, besides several forges in operation on the Aube and Aubette rivers. He had had three children: one daughter, who had embraced religion as a vocation; Claude Antoine, the elder son, to whom he left his entire fortune, and Julien Abdon, the younger, officer in the regiment of Rohan Soubise, with whom ...
— A Woodland Queen, Complete • Andre Theuriet

... her grief and the furrowings of her anguish upon her winning countenance, yet be assured they are nevertheless preying upon her inward person, sapping the very foundation of that heart which alone was made for the weal and not the woe of man. The deep recesses of the soul are fields for their operation. But they are not destined simply to take the regions of the heart for their dominion, they are not satisfied merely with interrupting her better feelings; but after a while you may see the blooming cheek beginning to droop and fade, her ...
— Innocents abroad • Mark Twain

... Greek poet says that men died in the golden age—[Greek: thneskon d' hos hypno dedmemenoi], they passed away as if mastered by sleep. It had always been his opinion that an examination of the organs after death is a useful practice, and his wish that the operation should take place in his own case was respected. Nothing interesting or remarkable was revealed, and his remains were laid in the vaults of the church ...
— Diderot and the Encyclopaedists - Volume II. • John Morley


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