[ dee-hyoo-mid-uh-fahy-er, or, often, -yoo- ]
/ ˌdi hyuˈmɪd əˌfaɪ ər, or, often, -yu- /


an appliance for removing moisture from the air, as for lowering the humidity in a storage room.


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Origin of dehumidifier

First recorded in 1920–25; de- + humidifier Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for dehumidifier

British Dictionary definitions for dehumidifier

/ (ˌdiːhjuːˈmɪdɪˌfaɪə) /


a device for reducing the moisture content of the atmosphere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for dehumidifier

[ dē′hyōō-mĭdə-fī′ər ]

A device used to remove water vapor from the air, thereby lowering the humidity of the air.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.