Having had moisture or humidity removed from it; dried out or made less damp.
Past tense and past participle of dehumidify, from de- + humidity + -fy + -ed. The verb form was created when mechanical humidity control became a practical technology.
Your bedroom might feel more comfortable in summer after being dehumidified because moisture makes it harder for sweat to evaporate from your skin, so your body can't cool itself as efficiently.
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