What does "dehumidifier" mean?

A device for removing the moisture content from air

Dehumidifier

Common synonyms include: air dehumidifier, dewpoint controller, drier, humidity control, humidity controller, moisture extractor.

noun

noun ·6 syllables ·Rare ·Advanced level

Noun

1
A device for removing the moisture content from air
2
an appliance to extract moisture from the air and make the environment more comfortable wordnet

"Using a dryer or dehumidifier makes the process of drying clothes indoors more efficient."

From dehumidify + -er.