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From Middle French operation, from Old French operacion, from Latin operātiō, from the verb operor (“I work”), from opus, operis (“work”). Equivalent to operate + -ion.
- (Received Pronunciation) IPA(key): /ˌɒp.əˈɹeɪ.ʃən/
Audio (UK) (file)
- (General American) IPA(key): /ˌɑ.pəˈɹeɪ.ʃən/
Audio (US) (file)
- Rhymes: -eɪʃən
- Hyphenation: op‧e‧ra‧tion
operation (countable and uncountable, plural operations)
- The method by which a device performs its function.
- It is dangerous to look at the beam of a laser while it is in operation.
- The method or practice by which actions are done.
- The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.
- 1689 (indicated as 1690), [John Locke], chapter 2, in An Essay Concerning Humane Understanding. […], London: […] Eliz[abeth] Holt, for Thomas Basset, […], →OCLC, book I, page 8:
- the pain and sickness caused by manna are confessedly nothing but the effects of its operations on the stomach and guts.
- 1695, C[harles] A[lphonse] du Fresnoy, John Dryden, transl., De Arte Graphica. The Art of Painting, […], London: […] J[ohn] Heptinstall for W. Rogers, […], →OCLC:
- Speculative painting, without the assistance of manual operation, can never attain to perfection.
- A planned undertaking.
- The police ran an operation to get vagrants off the streets.
- The Katrina relief operation was considered botched.
- A business or organization.
- We run our operation from a storefront.
- They run a multinational produce-supply operation.
- (medicine) A surgical procedure.
- She had an operation to remove her appendix.
- 1750, W[illiam] Ellis, The Country Housewife's Family Companion […] , London: James Hodges; B. Collins, →OCLC, page 157:
- This done, ſhe performs the very ſame Operation on the other Side of the Cock's Body, and there takes out the other Stone; then ſhe ſtitches up the Wounds, and lets the Fowl go about as at other Times, till the Capon is fatted in a Coup, which is commonly done from Chriſtmas to Candlemas, and after.
- (computing, logic, mathematics) A procedure for generating a value from one or more other values (the operands);
(mathematics, more formally) a function which maps zero or more (but typically two) operands to a single output value.
- The number of operands associated with an operation is called its arity; an operation of arity 2 is called a binary operation.
- (military) A military campaign (e.g. Operation Desert Storm)
- (obsolete) Effect produced; influence.
- 1655, Thomas Fuller, James Nichols, editor, The Church History of Britain, […], volume (please specify |volume=I to III), new edition, London: […] [James Nichols] for Thomas Tegg and Son, […], published 1837, →OCLC:
- The bards […] had great operation on the vulgar.
- (mathematics): function, transformation
- additive operation
- arithmetic operation
- binary operation
- black bag operation
- black operation
- cottage food operation
- driver-only operation
- dyadic operation
- floating point operation
- Gigli's operation
- grow operation
- Hartmann's operation
- in operation
- line of operations
- logical operation
- multiplicative operation
- operation of law
- pivot operation
- set operation
- short-circuit logical operation
- unary operation
- unit operation
- → Japanese: オペレーション (operēshon)
- → Scottish Gaelic: opairèisean
method by which a device performs its function
method or practice by which actions are done
the act or process of operating; agency; the exertion of power, physical, mechanical, or moral
a planned undertaking
procedure for generating a value from one or more other values
- operation in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- operation in The Century Dictionary, New York, N.Y.: The Century Co., 1911
operation (plural operationes)
- operation (surgical procedure)
operation f (plural operations)
- function; role
- 1595, Michel de Montaigne, Essais:
- C'est tesmoignage de crudité et indigestion que de regorger la viande comme on l'a avallée. L'estomac n'a pas faict son operation, s'il n'a faict changer la façon et la forme a ce qu'on luy avoit donné à cuire.
- It's testament of rawness and indigestion when one regurgitates meat in the same state as one swallowed it. The stomach hasn't done its function if it hasn't change the shape and the form of what one has given it to cook.
- an operation (planned undertaking)
- (medicine) an operation
- (mathematics) an operation
- (military) an operation
|Declension of operation|
- English terms derived from Middle French
- English terms derived from Old French
- English terms derived from Latin
- English terms suffixed with -ion
- English 4-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/eɪʃən/4 syllables
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- English terms with quotations
- English terms with usage examples
- English terms with obsolete senses
- Interlingua lemmas
- Interlingua nouns
- Middle French lemmas
- Middle French nouns
- Middle French feminine nouns
- Middle French countable nouns
- Middle French terms with quotations
- Swedish terms derived from Latin
- Swedish terms with audio links
- Swedish lemmas
- Swedish nouns
- Swedish common-gender nouns