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humidifier

noun [C]
 
 
/hjuːˈmɪd.ɪ.faɪ.ər/ US  //

Definition

a machine that makes air in a room less dry: We bought a humidifier for the office.Machinery and machinesHousehold equipment and domestic chores
(Definition of humidifier noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of humidifier