polygraph

[ pol-i-graf, -grahf ]

/ ˈpɒl ɪˌgræf, -ˌgrɑf /

SEE SYNONYMS FOR polygraph ON THESAURUS.COM

noun

an instrument for receiving and recording simultaneously tracings of variations in certain body activities.

a test using such an instrument to determine if a person is telling the truth.

lie detector.

an apparatus for producing copies of a drawing or writing.

a prolific or versatile author.

verb (used with object)

to test (a person) with a polygraph.

Origin of polygraph

1795–1805 for def. 1; 1920–25 for def. 3; <Greek polýgraphos writing much. See poly-, -graph

OTHER WORDS FROM polygraph

pol·y·graph·ic

[pol-i-graf-ik], /ˌpɒl ɪˈgræf ɪk/, adjectivepo·lyg·ra·phist

[puh-lig-ruh-fist], /pəˈlɪg rə fɪst/, po·lyg·ra·pher, noun

Words nearby polygraph

polyglot, Polygnotus, polygon, polygonaceous, polygonum, polygraph, polygynist, polygynous, polygyny, polygyria, polyhedral

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for polygraph

The polygraph, which uses a range of measurements including blood pressure, was patented by Leonarde Keeler in 1931.
Wonder Woman’s Creation Story Is Wilder Than You Could Ever Imagine|Tom Arnold-Forster|November 3, 2014|DAILY BEAST
By way of proving his innocence, DeMaio took a polygraph test—and passed.
No Shaking Sexual Harassment Allegations for Gay GOP House Hopeful|Olivia Nuzzi|October 12, 2014|DAILY BEAST
Yesterday, The Daily Beast revealed that Egan had, according to his lawyer Jeff Herman, passed a polygraph test.
Third Hollywood Power Player Files Motion to Dismiss Sex Abuse Lawsuit|Tim Teeman|May 22, 2014|DAILY BEAST
DeMaio responded to the “vicious rumor” by taking a polygraph test, which he passed.
Gay Republican Runs Against The LGBT Lobby|Olivia Nuzzi|May 3, 2014|DAILY BEAST

Forced to take a polygraph test, Saul is asked a question to establish a baseline reading: “Are you sometimes called ‘The Bear’?”
Give Mandy Patinkin an Emmy Nomination for ‘Homeland,’ Already!|Jason Lynch|July 17, 2013|DAILY BEAST
All I want to do is tell the truth, and the only way you can know it is by the polygraph, as that is the only way you can know it.
Warren Commission (5 of 26): Hearings Vol. V (of 15)|The President's Commission on the Assassination of President Kennedy
Pentathol, scopolamine and the like; hypnotism and the polygraph.
The Untouchable|Stephen A. Kallis
Either your girl's mistaken or Van Dellen and his polygraph tech and I were taken in by a brand-new technique.
The Syndic|C.M. Kornbluth
Did he suggest that he had been asked before to take a polygraph?
Warren Commission (7 of 26): Hearings Vol. VII (of 15)|The President's Commission on the Assassination of President Kennedy
It is an interpretation made by human beings of what the machine, the polygraph, shows.
Warren Commission (5 of 26): Hearings Vol. V (of 15)|The President's Commission on the Assassination of President Kennedy

British Dictionary definitions for polygraph

polygraph

/ (ˈpɒlɪˌɡrɑːf, -ˌɡræf) /

noun

an instrument for the simultaneous electrical or mechanical recording of several involuntary physiological activities, including blood pressure, skin resistivity, pulse rate, respiration, and sweating, used esp as a would-be lie detector

a device for producing copies of written, printed, or drawn matter

Derived forms of polygraph

polygraphic (ˌpɒlɪˈɡræfɪk), adjectivepolygraphically, adverb

Word Origin for polygraph

C18: from Greek polugraphos writing copiously

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for polygraph

polygraph

[ pŏl′ē-grăf′ ]

n.

An instrument that simultaneously records changes in physiological processes such as heartbeat, blood pressure, and respiration.

单词	polygraph
释义	polygraph [ pol-i-graf, -grahf ] / ˈpɒl ɪˌgræf, -ˌgrɑf / SEE SYNONYMS FOR polygraph ON THESAURUS.COM noun an instrument for receiving and recording simultaneously tracings of variations in certain body activities. a test using such an instrument to determine if a person is telling the truth. lie detector. an apparatus for producing copies of a drawing or writing. a prolific or versatile author. verb (used with object) to test (a person) with a polygraph. Origin of polygraph 1795–1805 for def. 1; 1920–25 for def. 3; <Greek polýgraphos writing much. See poly-, -graph OTHER WORDS FROM polygraph pol·y·graph·ic [pol-i-graf-ik], /ˌpɒl ɪˈgræf ɪk/, adjectivepo·lyg·ra·phist [puh-lig-ruh-fist], /pəˈlɪg rə fɪst/, po·lyg·ra·pher, noun Words nearby polygraph polyglot, Polygnotus, polygon, polygonaceous, polygonum, polygraph, polygynist, polygynous, polygyny, polygyria, polyhedral Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for polygraph The polygraph, which uses a range of measurements including blood pressure, was patented by Leonarde Keeler in 1931. Wonder Woman’s Creation Story Is Wilder Than You Could Ever Imagine\|Tom Arnold-Forster\|November 3, 2014\|DAILY BEAST By way of proving his innocence, DeMaio took a polygraph test—and passed. No Shaking Sexual Harassment Allegations for Gay GOP House Hopeful\|Olivia Nuzzi\|October 12, 2014\|DAILY BEAST Yesterday, The Daily Beast revealed that Egan had, according to his lawyer Jeff Herman, passed a polygraph test. Third Hollywood Power Player Files Motion to Dismiss Sex Abuse Lawsuit\|Tim Teeman\|May 22, 2014\|DAILY BEAST DeMaio responded to the “vicious rumor” by taking a polygraph test, which he passed. Gay Republican Runs Against The LGBT Lobby\|Olivia Nuzzi\|May 3, 2014\|DAILY BEAST Forced to take a polygraph test, Saul is asked a question to establish a baseline reading: “Are you sometimes called ‘The Bear’?” Give Mandy Patinkin an Emmy Nomination for ‘Homeland,’ Already!\|Jason Lynch\|July 17, 2013\|DAILY BEAST All I want to do is tell the truth, and the only way you can know it is by the polygraph, as that is the only way you can know it. Warren Commission (5 of 26): Hearings Vol. V (of 15)\|The President's Commission on the Assassination of President Kennedy Pentathol, scopolamine and the like; hypnotism and the polygraph. The Untouchable\|Stephen A. Kallis Either your girl's mistaken or Van Dellen and his polygraph tech and I were taken in by a brand-new technique. The Syndic\|C.M. Kornbluth Did he suggest that he had been asked before to take a polygraph? Warren Commission (7 of 26): Hearings Vol. VII (of 15)\|The President's Commission on the Assassination of President Kennedy It is an interpretation made by human beings of what the machine, the polygraph, shows. Warren Commission (5 of 26): Hearings Vol. V (of 15)\|The President's Commission on the Assassination of President Kennedy British Dictionary definitions for polygraph polygraph / (ˈpɒlɪˌɡrɑːf, -ˌɡræf) / noun an instrument for the simultaneous electrical or mechanical recording of several involuntary physiological activities, including blood pressure, skin resistivity, pulse rate, respiration, and sweating, used esp as a would-be lie detector a device for producing copies of written, printed, or drawn matter Derived forms of polygraph polygraphic (ˌpɒlɪˈɡræfɪk), adjectivepolygraphically, adverb Word Origin for polygraph C18: from Greek polugraphos writing copiously Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to polygraph psychogalvanometer Medical definitions for polygraph polygraph [ pŏl′ē-grăf′ ] n. An instrument that simultaneously records changes in physiological processes such as heartbeat, blood pressure, and respiration. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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polygraph

noun

verb (used with object)

Origin of polygraph

OTHER WORDS FROM polygraph

Words nearby polygraph

Example sentences from the Web for polygraph

British Dictionary definitions for polygraph

noun

Derived forms of polygraph

Word Origin for polygraph

Words related to polygraph

Medical definitions for polygraph

n.