plethysmograph

noun

ple·​thys·​mo·​graph ple-ˈthiz-mə-ˌgraf How to pronounce plethysmograph (audio)
plə-
: 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
plethysmographic adjective
plethysmographically adverb
plethysmography noun

Examples of plethysmograph in a Sentence

Recent Examples on the Web Offenders could be required to submit to plethysmograph testing, in which sensors are attached to their penis, in an effort to find out whether they were aroused by deviant imagery and sounds. Christopher N. Osher, The Denver Post, 5 Mar. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'plethysmograph.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary, from Greek plēthysmos increase, from plēthynein to increase, from plēthys mass, quantity, from plēthein

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of plethysmograph was in 1872

Dictionary Entries Near plethysmograph

Cite this Entry

“Plethysmograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plethysmograph. Accessed 21 Jun. 2024.

Medical Definition

plethysmograph

noun
ple·​thys·​mo·​graph -ˌgraf How to pronounce plethysmograph (audio)
: 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
plethysmographic adjective
plethysmographically adverb
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