Dictionary.com
Thesaurus.com

dehumidifier

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

noun

  • dehumidifiers
    plural
  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-mĭd′ə-fī′ər /
  1. A device used to remove water vapor from the air, thereby lowering the humidity of the air.


Other Word Forms

Noun Inflected Forms


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.

See Examples For:

Dry clothes outdoors if you can, rather than using a tumble dryer, or hang clothes indoors but ventilate well or use a dehumidifier to avoid damp.

From BBC ● Aug. 27, 2025

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

She says it remains important to ventilate and heat your home alongside using a dehumidifier.

From BBC ● Jan. 15, 2024

Even a small ozonator to make the air seem more breathable, and a dehumidifier, Tremaine.

From Let'Em Breathe Space by Lester Del Rey

She said her house was cold and her energy bills had tripled because of having to run heaters and dehumidifiers, as well as being fitted with smart radiator valves that do not work properly.

From BBC ● Jan. 15, 2026

Friends, my family included, have been scrounging for fans, dehumidifiers, and sump pumps to lend to friends affected by the flood.

From Slate ● Aug. 9, 2024

She said the problem remained despite her buying dehumidifiers, and that it was worsening her anxiety.

From BBC ● Feb. 3, 2024

Brazilians turned to fans, air conditioners and dehumidifiers to cool down, with utilities reporting record energy demand.

From Washington Times ● Nov. 15, 2023

There was nothing to hear except the droning murmur of unresting electric fans, stirring the air ceaselessly so that excess moisture from breathing could be extracted by the dehumidifiers.

From Operation: Outer Space by Murray Leinster

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com