operation

1 ENTRIES FOUND:
operation /ˌɑːpəˈreɪʃən/ noun
plural operations
operation
/ˌɑːpəˈreɪʃən/
noun
plural operations
Britannica Dictionary definition of OPERATION
1 
[count] : a process in which a doctor cuts into someone's body in order to repair or remove a damaged or diseased part
2 
[count]
a  : a usually small business or organization
b  : an activity of a business or organization — usually plural
3 
[noncount] : the state of functioning or being used — used with in or into
4 
[noncount] : the way something functions or is used
5 
[count] : a set of planned actions for a particular purpose
6 
[count] : a single action performed by a computer
7 
[noncount] : the act of using and controlling something
8 
[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