opration

Noun

operation (countable and uncountable, plural operations)

1. (uncountable) 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.
2. (uncountable) The method or practice by which actions are done.
3. (uncountable) The act or process of operating (verb): agency; the exertion of power, physical, mechanical, or moral.
   • the pain and sickness caused by manna are confessedly nothing but the effects of its operations on the stomach and guts.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

   Synonyms:

   operating

4. (countable) A planned undertaking.
   • The police ran an operation to get vagrants off the streets.
5. (countable) A business or organization.
   • We run our operation from a storefront.
6. (countable) A surgical procedure.
   • She had an operation to remove her appendix.

See all 10 meanings of operation