1. adds moisture to the air or makes something more humid
Usage: third person singular present tense of ‘humidify’

Examples

• The machine humidifies the air in the bedroom during winter.
• She humidifies her greenhouse to help the tropical plants grow.
• The device automatically humidifies the room when the air gets too dry.
• Steam from the shower humidifies the bathroom.
• The humidifier humidifies the entire house through the ventilation system.
• Hot water humidifies the air as it evaporates.