in·hal·er /ɪnˈhelɚ/
  吸入者,吸入器,空氣過濾器
  in·hal·er /ɪnˈhelɚ/ 名詞
  吸入器,吸入劑
  In·hal·er n.
  1. One who inhales.
  2. An apparatus for inhaling any vapor or volatile substance, such as ether or chloroform, or an aerosol mist of a solution, for medicinal purposes; as, he alway carried his inhaler around in his pocket in case he had asthmatic attack.
  3. A contrivance to filter, as air, in order to protect the lungs from inhaling damp or cold air, noxious gases, dust, etc.; also, the respiratory apparatus for divers.
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  inhaler
       n : a dispenser that produces a chemical vapor to be inhaled in
           order to relieve nasal congestion [syn: inhalator]