spirometer

noun spi·rom·e·ter \spī-ˈrä-mə-tər\

Definition of SPIROMETER

: an instrument for measuring the air entering and leaving the lungs

— spi·ro·met·ric \ˌspī-rə-ˈme-trik\ adjective

— spi·rom·e·try \spī-ˈrä-mə-trē\ noun

International Scientific Vocabulary spiro- (from Latin spirare to breathe) + -meter

First Known Use: 1809

Medical Dictionary

noun spi·rom·e·ter \spi-ˈräm-ət-ər\

: an instrument for measuring the air entering and leaving the lungs

—spi·ro·met·ric \ˌspī-rə-ˈme-trik\ adjective

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