plethysmograph
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English[edit]
Etymology[edit]
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Needs proper templates and Greek script.”) Late 19th century: from Greek plēthusmos ‘enlargement’ (based on plēthus ‘fullness’) + -graph.
Pronunciation[edit]
Noun[edit]
plethysmograph (plural plethysmographs)
- (medicine) An instrument for measuring changes in volume within an organ or whole body (usually via fluctuations in the amount of fluid it contains).