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(noun) procedure
a process or series of acts especially of a practical or mechanical nature involved in a particular form of work
the operations in building a house; certain machine tool operations
(noun) surgery, surgical operation, surgical procedure, surgical process
a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
they will schedule the operation as soon as an operating room is available; he died while undergoing surgery
(noun) mathematical operation, mathematical process
(mathematics) calculation by mathematical methods
the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation; they were learning the basic operations of arithmetic
(noun) military operation
activity by a military or naval force (as a maneuver or campaign)
it was a joint operation of the navy and air force
(noun) cognitive operation, cognitive process, mental process, process
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents
the process of thinking; the cognitive operation of remembering
(noun) performance, functioning
process or manner of functioning or operating
the power of its engine determines its operation; the plane's operation in high winds; they compared the cooking performance of each oven; the jet's performance conformed to high standards