Jun 20, 2026 · 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 definition: 1. the fact of operating or being active: 2. the way that parts of a machine or system work…. Learn more.

Look up operation in Wiktionary, the free dictionary.

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

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 …

The order of operation in math is a set of rules revolving around 4 major operators. According to the order of operations, there is a particular sequence which we need to follow on each operator while …

Jun 16, 2026 · Noun operation (countable and uncountable, plural operations) (uncountable) The method by which a device performs its function.

[count] mathematics : a mathematical process (such as addition or multiplication) that is used for getting one number or set of numbers from others according to a rule.

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

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