HyperDic: air_filter

English > 1 sense of the expression air filter:
NOUNartifactair filter, air cleanera filter that removes dust from the air that passes through it
English > air filter: 1 sense > noun 1, artifact
MeaningA filter that removes dust from the air that passes through it.
Synonymair cleaner
Part ofventilatorA device (such as a fan) that introduces fresh air or expels foul air
Narrowerfilter tipAn air filter on the end of a cigarette
Broaderfilterdevice that removes something from whatever passes through it

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