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: an act or instance, process, or manner of functioning or operating.. See examples of OPERATION used 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 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 …

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

Nov 6, 2025 · operation (countable and uncountable, plural operations) (uncountable) The method by which a device performs its function.

OPERATION definition: 1. If you have an operation, a doctor cuts your body to remove or repair part of it: 2. an…. Learn more.

2 days ago · There is renewed criticism over the names of military and DHS operations, including the most recent, Operation Charlotte's Web.

17 hours ago · A statewide rescue operation ended with 122 missing children being located, Florida’s attorney general announced Monday.

An operation must not be confounded with the process by which the operation is effected. Thus, there is but one operation of extracting the cube root of a number, but there are several …