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polygraph

play
noun poly·graph \ˈpä-lē-ˌgraf\

Simple Definition of polygraph

  • : a test that is done with a lie detector to see if someone is telling the truth

Full Definition of polygraph

  1. :  an instrument for recording variations of several different pulsations (as of physiological variables) simultaneously — compare lie detector

poly·graph·ic play \ˌpä-lē-ˈgra-fik\ adjective

Examples of polygraph

  1. They hooked him up to the polygraph and began the test.

  2. She was asked to take a polygraph.



1871

First Known Use of polygraph

1871


Medical Dictionary

polygraph

play
noun poly·graph \ˈpäl-i-ˌgraf\

Medical Definition of polygraph

  1. :  an instrument for simultaneously recording variations of several different pulsations (as of the pulse, blood pressure, and respiration)—see lie detector

  2. poly·graph·ic \ˌpäl-i-ˈgraf-ik\play adjective
    poly·graph·i·cal·ly \-i-k(ə-)lē\play adverb




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