plethysmograph

[ pluh-thiz-muh-graf, -grahf ]
/ pləˈθɪz məˌgræf, -ˌgrɑf /

noun

a device for measuring and recording changes in the volume of the body or of a body part or organ.

Origin of plethysmograph

1870–75; < Greek plēthysm(ós) increase, multiplication ( plēthý(nein) to increase, derivative of plêthos large number, crowd + -smos, variant of -mos noun suffix) + -o- + -graph; first coined in It as pletismografo

OTHER WORDS FROM plethysmograph

ple·thys·mo·graph·ic [pluh-thiz-muh-graf-ik] /pləˌθɪz məˈgræf ɪk/, adjective pleth·ys·mog·ra·phy [pleth-iz-mog-ruh-fee] /ˌplɛθ ɪzˈmɒg rə fi/, noun

Words nearby plethysmograph

plessor, plessy versus ferguson, plethora, plethoric, plethysmogram, plethysmograph, plethysmometry, pleugh, pleur-, pleura, pleural

Example sentences from the Web for plethysmograph

  • I think the experimental psychologists called the thing a "plethysmograph."

    The Silent Bullet |Arthur B. Reeve

  • These instruments are the plethysmograph and the hydrosphygmograph.

    Criminal Man |Gina Lombroso-Ferrero

British Dictionary definitions for plethysmograph

plethysmograph
/ (pləˈθɪzməˌɡrɑːf, -ˌɡræf, -ˈθɪs-) /

noun

a device for measuring the fluctuations in volume of a bodily organ or part, such as those caused by variations in the amount of blood it contains

Word Origin for plethysmograph

C19: from Greek plēthusmos enlargement + graphein to write

Medical definitions for plethysmograph

plethysmograph
[ plĕ-thĭz′mə-grăf′ ]

n.

An instrument that measures variations in the size of an organ or body part on the basis of the amount of blood passing through or present in the part.

Other words from plethysmograph

ple•thys′mo•graph′ic adj.