stethometer

[ ste-thom-i-ter ]
/ stɛˈθɒm ɪ tər /

noun

an instrument for measuring the expansion of the chest and abdomen during respiration.

Origin of stethometer

First recorded in 1840–50; stetho- + -meter

OTHER WORDS FROM stethometer

steth·o·met·ric [steth-uh-me-trik] /ˌstɛθ əˈmɛ trɪk/, adjective ste·thom·e·try, noun