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Definitions from the Web

Operation

Part of speech: Noun

Sense 1: (surgical procedure) - a medical procedure involving incision(s) or other manipulation(s) of the body to carry out treatment or diagnose a condition.

Sample sentence: The patient was prepared for the operation and taken to the operating room.

Part of speech: Noun

Sense 2: (military mission) - a planned and coordinated military activity or action.

Sample sentence: The troops were deployed for a covert operation in enemy territory.

Part of speech: Noun

Sense 3: (business activity) - a specific activity or endeavor undertaken by a business or organization.

Sample sentence: The company launched a marketing operation to promote their new product.

Part of speech: Noun

Sense 4: (mathematics) - a mathematical process or calculation.

Sample sentence: The operation of addition is commutative, but subtraction is not.

Part of speech: Noun

Sense 5: (computing) - a specific function or action performed by a computer program.

Sample sentence: The file transfer operation was completed successfully.

Part of speech: Noun

Sense 6: (music) - a composition or piece of music.

Sample sentence: The orchestra performed a beautiful opera operation last night.

Part of speech: Verb

Sense 1: (to perform a surgical procedure) - to carry out a medical procedure involving incision(s) or other manipulation(s) of the body.

Sample sentence: The surgeon will operation on the patient tomorrow morning.

Part of speech: Verb

Sense 2: (to control or manage) - to control or manage a business or organization.

Sample sentence: It takes great skill to operation a successful restaurant.

Part of speech: Verb

Sense 3: (to function) - to work or operate properly.

Sample sentence: The new machinery was not operating correctly, so the technician was called.