/ Dictionary / Index D dehumidifier: Meaning and Definition of Find definitions for: de•hu•mid•i•fi•er Pronunciation: (dē"hy-mid'u-fī"ur, or, often, -y-), [key] — n. an appliance for removing moisture from the air, as for lowering the humidity in a storage room. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dehumanize dehumidify Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language