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English Lexicon

Operation

/ˌɒp.əˈreɪ.ʃən/
nounCEFR B2 (Upper)Top #315 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A process or series of actions performed to achieve a particular end.

    "The operation to install the new software took several hours."
  2. 2

    A medical procedure involving an incision with instruments.

    "The patient is recovering well after the operation."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin operatio, meaning 'a working, action, or operation', originating from opus (work). Entering Middle English via Old French in the 14th century, the term expanded from general mechanical or physical functioning to encompass medical procedures, military missions, and complex organizational activities.

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