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[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.
Origin of dehumidifier
1920-25; de- + humidifier Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for dehumidifier
  • Keep rooms dry, and use a dehumidifier, if necessary.
  • Should you plan to retain the dehumidifier within your bedroom, make positive the sound experience degree is acceptable for you.
  • In addition to the above, another option is to use a dehumidifier that removes moisture by cooling air.
  • Buy or rent a fan or dehumidifier to speed up the drying process.
  • In a dehumidifier, the desiccant removes moisture from the air: this in turn, releases heat and raises the air temperature.
  • Your utility will help decide whether you need a dehumidifier.
  • In hot, humid climates, you may need to use an air conditioner or a dehumidifier or both.
British Dictionary definitions for dehumidifier


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
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Word Origin and History for dehumidifier

1921, agent noun from de- + humidify.

Online Etymology Dictionary, © 2010 Douglas Harper
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dehumidifier in Science
A device used to remove water vapor from the air, thereby lowering the humidity of the air.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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