The meaning of OPERATION is performance of a practical work or of something involving the practical application of principles or processes. How to use operation in a sentence.

OPERATION meaning: 1. the fact of operating or being active: 2. the way that parts of a machine or system work…. Learn more.

Definition of operation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

a process of a practical or mechanical nature in some form of work or production: a delicate operation in watchmaking. a course or procedure of productive or industrial activity: building …

1. an act or instance, process, or manner of functioning or operating.

Dec 17, 2025 · operation (countable and uncountable, plural operations) (uncountable) The method by which a device performs its function.

OPERATION definition: an act or instance, process, or manner of functioning or operating. See examples of operation used in a sentence.

OPERATION meaning: 1 : a process in which a doctor cuts into someone's body in order to repair or remove a damaged or diseased part; 2 : a usually small business or organization

An operation is the process of cutting open someone's body in order to repair, replace, or remove a damaged part.

operation definition: method or practice by which actions are done. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "shoestring …