- operation
- noun1 medicalADJECTIVE▪ major▪ minor, small▪ life-saving, vital▪ emergency▪ routine (esp. BrE)▪ delicate▪
a delicate eye operation
▪ exploratory▪ surgical, transplant▪ heart, knee, etc.VERB + OPERATION▪ have, undergo▪He had an operation to remove a growth.
▪ come through, survive▪She came through the operation well.
▪ carry out, perform▪the surgeon performing the operation
PREPOSITION▪ during a/the operation▪She woke during the operation.
▪ operation for▪an operation for a kidney problem
▪ operation on▪a major operation on his heart
2 organized activityADJECTIVE▪ big, large-scale, major, massive▪ covert, undercover▪ combined, joint▪ tricky (esp. BrE)▪a tricky rescue operation
▪ successful▪ combat, intelligence, military, naval, police▪ air, flight, ground, land, sea▪US forces had to conduct ground and air operations.
▪The airline has appointed a new director of flight operations.
▪ guerrilla▪ clean-up, counterterrorist, drilling, mining, mopping-up, offensive, peacekeeping, relief, rescue, salvage, security, tactical▪UN troops supervised the relief operations.
▪ banking, building, business, commercial▪restrictions placed on business operations
▪ psychological operations, special operations▪Special operations forces were on the ground in Afghanistan.
VERB + OPERATION▪ begin, launch, mount, undertake▪The authorities launched a massive security operation in the city.
▪ carry out, conduct, run▪ oversee, supervisePREPOSITION▪ during a/the operation▪during joint military operations
PHRASES▪ a theatre/theater of operations (= where military operations take place)3 fact of sth functioningADJECTIVE▪ effective, efficient, smooth▪ normal▪ daily, day-to-day▪the smooth day-to-day operation of the department
VERB + OPERATION▪ come into▪A ceasefire came into operation in May.
▪ bring sth into (esp. BrE), put sth into▪ cease▪The factory will cease operation at the end of the year.
PREPOSITION▪ during operation▪The machine can get very hot during operation.
▪ in operation▪The current tax system has been in operation for ten years.
PHRASES▪ in full operation, into full operation▪the only reactor in full operation
Collocations dictionary. 2013.
