plethysmograph

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English

Etymology

Late 19th century: from Ancient Greek πληθυσμός (plēthusmós, enlargement) + -graph.

Pronunciation

  • (US) IPA(key): /plɛˈðɪz.məˌɡɹæf/, /pləˈðɪz.məˌɡɹæf/

Noun

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plethysmograph (plural plethysmographs)

  1. (medicine) An instrument for measuring changes in volume within an organ or whole body (usually via fluctuations in the amount of fluid it contains).

Derived terms