biometer

[ bahy-om-i-ter ]
/ baɪˈɒm ɪ tər /

noun

an instrument for measuring the amount of carbon dioxide given off by an organism, tissue, etc.

Origin of biometer

First recorded in 1860–65; bio- + -meter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019