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plethysmography
Variant of plethysmograph
noun
any of several instruments for measuring and recording various body functions, as the velocity or volume of blood flow, heart rate or breathing rate, changes in the size of organs or limbs, etc.
Related Forms:
- plethysmographic adjective
- plethysmography noun
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.