Spirometer

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Spirometer \Spi*rom"e*ter\, n. [L. spirare to breathe + -meter.]
     An instrument for measuring the vital capacity of the lungs,
     or the volume of air which can be expelled from the chest
     after the deepest possible inspiration. Cf. {Pneumatometer}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  spirometer
       n : a measuring instrument for measuring the vital capacity of
           the lungs