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operation ['ɔpə'reɪʃ(ə)n] n
comp., MS operação (In mathematics, an action performed on a set of entities that produces a new entity. Examples of mathematical operations are addition and subtraction)
econ. atividade 
econ., agric. execução do trabalho
el. manobra; operação
lab.law., mater.sc. actividade; trabalho
mech.eng. operação de uma máquina
Operation ['ɔpə'reɪʃ(ə)n] n
el. exploração
operation mathematics n
math. função
operations n
transp., avia. operação
 English thesaurus
operation ['ɔpə'reɪʃ(ə)n] abbr.
abbr., inf. o
mil., abbr. op; oper
mil., logist. Organised set of actions carried out, generally, by a joint force, or even an interallied or multinational one, on one or several fields of operations, in order to reach one or several military targets. (FRA)
USA A sequence of tactical actions with a common purpose or unifying theme (JP 1); A military action or the carrying out of a strategic, operational, tactical, service, training, or administrative military mission (JP 3-0)
Operation ['ɔpə'reɪʃ(ə)n] n
mil., abbr. Opns (s)
operation: 2158 phrases in 76 subjects
Accounting2
Agriculture23
Animal husbandry1
Antennas and waveguides3
Astronautics8
Automatic control2
Banking1
Chemistry6
Coal4
Commerce4
Communications145
Construction6
Criminal law10
Customs2
Data processing2
Earth sciences17
Ecology1
Economy50
Education1
Electric machinery3
Electric motors7
Electric traction9
Electricity generation10
Electronics131
Energy industry5
Environment18
Finances113
Fish farming pisciculture10
Food industry3
Forestry3
General168
Health care2
Hobbies and pastimes1
Human rights activism5
Immigration and citizenship6
Industry20
Information technology157
Insurance1
International Monetary Fund24
Labor law2
Labor organization3
Law32
Life sciences5
Marketing9
Materials science6
Mathematics2
Mechanic engineering39
Medical832
Metallurgy6
Microsoft28
Municipal planning5
Natural sciences4
Nuclear and fusion power2
Nuclear physics4
Patents1
Pharmacy and pharmacology1
Politics11
Power electronics2
Power system protection7
Procedural law1
Radio1
Rail transport4
Scientific2
Semiconductors3
Social science2
Statistics8
Superconductivity1
Taxes13
Technology12
Telecommunications2
Telephony1
Transformers3
Transport104
United Nations9
Vacuum tubes6
Work flow1