You searched for: “plethysmogram”
plethysmogram (s) (noun), plethysmograms (pl)
A record or tracing produced by a plethysmograph (an instrument for measuring changes in volume of a part, or organ, or whole body; usually, resulting from fluctuations in the amount of blood it contains).
This entry is located in the following units: gram-, -gram-, -gram, -grammatic, -grammatical, -grammatically, -gramme, -grammic + (page 17) plethor-, plethysmo- (page 1)