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.

Jul 20, 2025 · operation (countable and uncountable, plural operations) (uncountable) The method by which a device performs its function. It is dangerous to look at the beam of a laser …

In mathematics, an operation is a function from a set to itself. For example, an operation on real numbers will take in real numbers and return a real number. An operation can take zero or more input values (also called "operands" or "arguments") to a well-defined output value. The number of operands is the arity of the operation.

An instance or method of efficient, productive activity. That restaurant is quite an operation.

Find 546 different ways to say OPERATION, along with antonyms, related words, and example sentences at Thesaurus.com.

the act or activity of looking after and making decisions about something given the constant threat of robbery, the operation of a convenience store can be quite stressful

Look up operation in Wiktionary, the free dictionary.

22 hours ago · Indian Army's Chinar Corps said that three Lashkar-e-Taiba terrorists were killed in the ongoing "Operation Mahadev" near Dara region in J&K.

19 hours ago · The operation, dubbed "Operation Mahadev," follows reports linking the terrorists to the April 22 Pahalgam attack, where numerous tourists and a local resident were killed.