humidifier

/hjuːˈmɪdɪfaɪər/
noun
  1. A device that adds moisture to the air in a room or building.
    • During the dry winter months, a humidifier can make your home feel more comfortable.
    • The humidifier needs to be cleaned regularly to prevent mold growth.
    • We run a humidifier in the baby's room to help her breathe easier.
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