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.

Mar 21, 2026 · Noun operation (countable and uncountable, plural operations) (uncountable) The method by which a device performs its function.

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

Look up operation in Wiktionary, the free dictionary.

When a patient has an operation, a surgeon cuts open their body in order to remove, replace, or repair a diseased or damaged part. Charles was at the clinic recovering from an operation on his arm.

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

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 different processes.

Jul 30, 2025 · The operation, known as Operation Grayskull, was a joint effort between the DOJ and FBI that led to the removal of websites used to distribute child sexual abuse material (CSAM), including …

An operation is a procedure or activity carried out to achieve a specific purpose or outcome. This can refer to a series of actions or steps taken in a particular order, whether in mathematics, computer …