вентиляцventilation+ииfeminine singular genitive/dative/prepositional or feminine plural nominative/accusative
noun · feminine plural · nominativeRare#39,256
ventilationgenitive singular or prepositional singular of «вентиляция»; often used in phrases like «нет вентиляции» (there is no ventilation) or «о вентиляции» (about ventilation)