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From The Collaborative International Dictionary of English v.0.44 [gcide]: Spirometer \Spi*rom"e*ter\, noun [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}. From WordNet (r) 2.0 [wn]: noun 1: a measuring instrument for measuring the vital capacity of the lungs |
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