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dehumidifier

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

noun

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


dehumidifier British  
/ ˌdiːhjuːˈmɪdɪˌfaɪə /

noun

  1. 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

dehumidifier Scientific  
/ dē′hyo̅o̅-mĭdə-fī′ər /
  1. A device used to remove water vapor from the air, thereby lowering the humidity of the air.


Etymology

Origin of dehumidifier

First recorded in 1920–25; de- + humidifier

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Each one includes window insulation, draught-proofing, a room thermometer, a water-saving device and a dehumidifier as well as a cost-cutting advice booklet.

From BBC • Mar. 17, 2026

Like setting up an array of box fans and even a portable dehumidifier to get a puli’s long, thick cords dry after a bath, a process that can take 24 hours, in Valarie Cheimis’ experience.

From Seattle Times • May 13, 2024

Over the hum of an industrial-strength air purifier and dehumidifier, Moss said the tenants had to vacate the unit quickly, leaving food and dishes on the counter.

From Los Angeles Times • Feb. 13, 2024

And if there are leaks or water ingress problems in a home, for example from damaged pipework or damp walls, a dehumidifier alone will not solve these issues.

From BBC • Jan. 15, 2024

With smooth, experienced motions, he disconnected the mike cable, oxygen hose, air pressure hose, cooling air hose, electrical heating cable, and dehumidifier hose which connected his flying suit to the ship.

From Pushbutton War by Schoenherr, John