operation

pronunciation

How to pronounce operation in British English: UK [ˌɒpəˈreɪʃn]word uk audio image

How to pronounce operation in American English: US [ˌɑːpəˈreɪʃn] word us audio image

  • Noun:
    a business especially one run on a large scale
    a planned activity involving many people performing various actions
    a process or series of acts especially of a practical or mechanical nature involved in a particular form of work
    the state of being in effect or being operative
    a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
    activity by a military or naval force (as a maneuver or campaign)
    (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
    process or manner of functioning or operating
    (mathematics) calculation by mathematical methods
    (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
    the activity of operating something (a machine or business etc.)

Word Origin

operation (n.)
late 14c., "action, performance, work," also "the performance of some science or art," from Old French operacion "operation, working, proceedings," from Latin operationem (nominative operatio) "a working, operation," from past participle stem of operari "to work, labor" (in Late Latin "to have effect, be active, cause"), from opera "work, effort," related to opus (genitive operis) "a work" (see opus). The surgical sense is first attested 1590s. Military sense of "series of movements and acts" is from 1749.

Example

1. Patients can have general anesthesia during the operation .
2. The operation will thus run on a commercial basis .
3. In that situation normal commercial operation is evidently impossible .
4. The operation was portrayed as led by france and britain .
5. These systems are only a software upgrade away from fully self-sufficient operation .

more: >How to Use "operation" with Example Sentences