operation
Concise Oxford English Dictionary © 2008 Oxford University Press:
operation/ɒpəˈreɪʃn/
▶noun
- 1 the action or process of operating.
- 2 an act of surgery performed on a patient.
- 3 an organized activity involving a number of people: a rescue operation.
- 4 a business organization; a company.
- 5 Mathematics a process in which a number, quantity, expression, etc. is altered or manipulated according to set formal rules.
'operation' also found in these Oxford entries:
abdominoplasty
- abelian
- act
- action
- active
- amphibious
- amputate
- anaesthesia
- and
- antisymmetric
- appendectomy
- application
- apply
- asynchronous
- boot
- bypass
- cabotage
- Caesarean section
- carry
- chemical engineering
- close
- closed
- colostomy
- combine harvester
- command
- computing
- concession
- continue
- continuity
- cooperation
- critical path
- cystectomy
- datum
- distributive
- diversify
- drape
- effectuate
- engage
- enterostomy
- escape
- exclusive OR
- exponentiation
- facelift
- fenestration
- fief
- franchise
- front
- function
- functional
- gag

