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 …

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.

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

Operation can refer to medical surgery, a military campaign, or mathematical methods, such as multiplication and division. Operation comes from the Latin word opus (“work”) and can refer to …

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 …

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

Procedure is used especially in medical English, for example by doctors and people who work in hospitals.

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.