operation /ˌɑːpəˈreɪʃən/ noun
plural operations
plural operations
Learner's definition of OPERATION
[count] : a process in which a doctor cuts into someone's body in order to repair or remove a damaged or diseased part
: a usually small business or organization
: an activity of a business or organization usually plural
[noncount] : the state of functioning or being used used with in or into
[noncount] : the way something functions or is used
[count] : a set of planned actions for a particular purpose
[count] : a single action performed by a computer
[noncount] : the act of using and controlling something
[count] mathematics : a mathematical process (such as addition or multiplication) that is used for getting one number or set of numbers from others according to a rule
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