PLETHYSMOGRAPH

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A measuring 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)

Classified under:

Nouns denoting man-made objects

Hypernyms ("plethysmograph" is a kind of...):

measuring device; measuring instrument; measuring system (instrument that shows the extent or amount or quantity or degree of something)

Hyponyms (each of the following is a kind of "plethysmograph"):

body plethysmograph (plethysmograph consisting of a chamber surrounding the entire body; used in studies of respiration)

digital plethysmograph (plethysmograph applied to a digit of the hand or foot to measure skin blood flow)

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