metered-dose inhaler
noun
variants:
or metered dose inhaler
Medical Definition of metered-dose inhaler
: a pocket-size handheld inhaler that delivers a standardized dose of medication for bronchodilation
Asthma drugs are delivered to the lungs by metered-dose inhalers …— Denise Gellene, The Los Angeles Times, 23 Sept. 2005 This medication taken via metered dose inhaler or nebulizer, is aimed at patients who have wheezing and coughing associated with chronic cigarette smoking. — Discover, March 1998
—abbreviation MDI