dehumidify

verb

de·​hu·​mid·​i·​fy ˌdē-(h)yü-ˈmi-də-ˌfī 

dehumidified; dehumidifying; dehumidifies

transitive verb

: to remove moisture from

dehumidify the air

dehumidification

ˌdē-(h)yü-ˌmi-də-fə-ˈkā-shən 

noun

dehumidifier

ˌdē-(h)yü-ˈmi-də-ˌfī(-ə)r 

noun

Examples of dehumidify in a Sentence

Recent Examples on the Web

These fans can often be found in places where air movement is especially important for dehumidifying because of heat- and moisture-producing activities like cooking and showering. — Hallie Milstein, Southern Living, 24 May 2026

How the system works Conventional air conditioners rely on vapor-compression refrigeration that cools and dehumidifies air at the same time, a coupling that often forces overcooling and reheating to maintain comfort. — Kaif Shaikh, Interesting Engineering, 5 Sep. 2025

The air separation unit will dehumidify, liquify, and separate air into its major components—oxygen and nitrogen—and then transfer it into storage tanks. — Stephen Clark, ArsTechnica, 2 Sep. 2025

The main problem with turning off your AC in the warmer months is excessive humidity, as your HVAC system is responsible for dehumidifying the air in your home. — Kamron Sanders, Better Homes & Gardens, 3 Aug. 2025

Word History

First Known Use

1927, in the meaning defined above

Kids Definition

dehumidify

verb

de·​hu·​mid·​i·​fy ˌdē-hyü-ˈmid-ə-ˌfī 

ˌdē-yü-

: to remove moisture from (as the air)

dehumidifier

-ˌfī(-ə)r 

noun

dehumidification

-ˌmid-ə-fə-ˈkā-shən 

noun

Medical Definition

dehumidify

transitive verb

de·​hu·​mid·​i·​fy ˌdē-hyü-ˈmid-ə-ˌfī, ˌdē-yü- 

dehumidified; dehumidifying

: to remove moisture from (as air)

dehumidification

-ˌmid-ə-fə-ˈkā-shən 

noun

dehumidifier

-ˈmid-ə-ˌfī(-ə)r 

noun