Word: operation Word origin: late Middle English: via Old French from Latin operatio(n- ), from the verb operari ‘expend labour on’ (see operate). Phonetic: ɒpəˈreɪʃ(ə)n Listen:
the action of functioning or the fact of being active or in effect. Example: restrictions on the operation of market forces
an act of surgery performed on a patient. Example: I've never felt better since my bypass operation
an organized activity involving a number of people. Example: a rescue operation
a process in which a number, quantity, expression, etc., is altered or manipulated according to set formal rules, such as those of addition, multiplication, and differentiation.
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