operation
noun
- 1
the activity of operating something (a machine or business etc.)
her smooth operation of the vehicle gave us a surprisingly comfortable ride
- 2
a planned activity involving many people performing various actions
they organized a rescue operation
the biggest police operation in French history
- 3
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
- 4
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
- 5
(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
- 6
activity by a military or naval force (as a maneuver or campaign)
it was a joint operation of the navy and air force
- 7
a business especially one run on a large scale
a large-scale farming operation
a multinational operation
- 8
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents
the process of thinking
the cognitive operation of remembering
- 9
(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
it can perform millions of operations per second
- 10
process or manner of functioning or operating
the power of its engine determines its operation
the plane's operation in high winds
- 11
the state of being in effect or being operative
that rule is no longer in operation
Also useful for “operation”:Unscrambler— Rearrange the letters in “operation”