Operation

/ˌɒpəɹˈe‍ɪʃən/

/ˌɑpɝˈeɪʃən/

[noun]

Operation

[NOUN]

a medical process in which a part of body is cut open to repair or remove a damaged organ

synonyms : surgery

surgical operation

surgical procedure

surgical process

(mathematics) a process according to which a calculation is done, such as adding, dividing, etc.

synonyms : mathematical operation

mathematical process

the state of being in effect or being operative

a business especially one run on a large scale

an organized activity involving multiple people doing various things to achieve a common goal

activity by a military or naval force (as a maneuver or campaign)

synonyms : military operation

(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)

a process or series of acts especially of a practical or mechanical nature involved in a particular form of work

synonyms : procedure

the activity of operating something (a machine or business etc.)

(psychology) the performance of some composite cognitive activity; an operation that affects mental contents

synonyms : cognitive operation

cognitive process

mental process

process

process or manner of functioning or operating

synonyms : functioning

performance

Examples

1. The dishwasher's control panel has intuitive buttons for easy operation.

2. He was given a new heart in a five-hour operation.

3. I have to go to hospital for an operation.

4. After decades of operation, the family-owned bookstore had to go out of business due to competition from online retailers.

Nearby words