spirometer
(noun) a measuring instrument for measuring the vital capacity of the lungs
Source: WordNet® 3.1
spirometer (plural spirometers)
(medicine) An instrument for measuring the air capacity of the lungs.
• spirometre, temporiser
Source: Wiktionary
Spi*rom"e*ter, n. Etym: [L. spirare to breathe + -meter.]
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
17 May 2025
(noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
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