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.

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

Operation is a battery-operated game of physical skill that tests players' hand-eye coordination and fine motor skills. The game's prototype was invented in 1964 by University of Illinois …

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

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

Oct 28, 2025 · operation (countable and uncountable, plural operations) (uncountable) The method by which a device performs its function.

Synonyms for OPERATION: mission, job, assignment, duty, business, responsibility, post, requirement; Antonyms of OPERATION: disuse, nonuse

Our mission is to advance economic opportunity by providing the tools they need to reach their goals. We help individuals of all ages by offering financial education, one-on-one coaching, …

There are 18 meanings listed in OED's entry for the noun operation, four of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.