You searched for: “pneumatograph
pneumatograph (s) (noun), pneumatographs (pl)
An apparatus for recording the respiratory movements; stethograph: When at her doctor's office, the elderly Mrs. Hathaway's disorder in her chest wall was diagnosed by the use of a pneumatograph, and the results were explained to her later.
This entry is located in the following unit: pneumato-, pneumat- (page 2)