say it: dee-hyoo-MID-uh-fahy-ur
dehumidifier is a noun meaning "an applicance to extract moisture from the air and make the environment more comfortable". It carries one recorded sense.
an applicance to extract moisture from the air and make the environment more comfortable
“in summer, we need to run the dehumidifier in the basement”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for dehumidifier come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.