From Longman Dictionary of Contemporary Englishhumidifierhu‧mid‧i‧fi‧er /hjuːˈmɪdəfaɪə $ -ər/ noun [countable] DHTa machine that makes the air in a room less dry
Examples from the Corpus
humidifier• They didn't have a humidifier and it's torn my voice to shreds.• It is a humidifier clipped to the microphone.• To improve your chances of sleeping through the night, lower the heat and try running a humidifier during the night.• Ceramic humidifiers on a warm radiator are particularly effective because the oils evaporate, filling the room with a beautiful scent.• He checked the humidifier and took his mittens off before locking the greenhouse door.• Combat low humidity with humidifiers or plants around the home. 