vacuumnounmasculinetécnico/ˈvakuu/lowvá·cu·oPortuguesEnglishEspanolFrancaisDefinitionA space entirely devoid of matter; absence of air or any other gas.The experiment was conducted under vacuum conditions.The vacuum pump removes air from the container.synvoidemptinessantplenumpressureCommon collocationsabsolute vacuumvacuum pumpvacuum chamberpartial vacuumEtymologyDo latim 'vacuus' (vazio).Related wordsvácuovacuidadeevacuarvacuómetro