air filter

/ˌɛər ˈfɪltər/

/ɛə ˈfɪltə/

Other forms: air filters

Definitions of air filter

1. noun

   a filter that removes dust from the air that passes through it
   synonyms: air cleaner

   types:

   filter tip

   an air filter on the end of a cigarette; contains material that filters the smoke

   type of:

   filter

   device that removes something from whatever passes through it