stethometer

[ste-thom-i-ter]

noun

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

Origin of stethometer

First recorded in 1840–50; stetho- + -meter
Related formssteth·o·met·ric [steth-uh-me-trik] /ˌstɛθ əˈmɛ trɪk/, adjectiveste·thom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019