plethysmograph


ple·thys·mo·graph

noun \-ˌgraf\

Definition of PLETHYSMOGRAPH

:  an instrument for determining and registering variations in the size of an organ, limb, or part resulting from changes in the amount of blood present or passing through it
ple·thys·mo·graph·ic \-ˌthiz-mə-ˈgra-fik\ adjective
ple·thys·mo·graph·i·cal·ly \-fi-k(ə-)lē\ adverb
pleth·ys·mog·ra·phy \ˌple-thiz-ˈmä-grə-fē\ noun

Origin of PLETHYSMOGRAPH

International Scientific Vocabulary, from Greek plēthysmos increase, from plēthynein to increase, from plēthys mass, quantity, from plēthein
First Known Use: 1872

ple·thys·mo·graph

noun \-ˌgraf\   (Medical Dictionary)

Medical Definition of PLETHYSMOGRAPH

: an instrument for determining and registering variations in the size of an organ or limb resulting from changes in the amount of blood present or passing through it
ple·thys·mo·graph·ic \-ˌthiz-mə-ˈgraf-ik\ adjective
ple·thys·mo·graph·i·cal·ly \-i-k(ə-)lē\ adverb

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