1 entry 1 source
Phrenograph
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
An instrument for registering the movements of the diaphragm, or midriff, in respiration.
1 entry 1 source
Part of speech: noun (n.)
An instrument for registering the movements of the diaphragm, or midriff, in respiration.