polygraph.
A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being posed to a subject, in an attempt to detect deception.
Meaning & usage
A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being posed to a subject, in an attempt to detect deception.
A mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.
A collection of different works, either by one or several authors.
A group of letters that represent a single phoneme.
Any group of letters treated as a single item.
An author who writes on many subjects.
A multidimensional directed graph.
Where this word comes from
From poly- + -graph.
To administer a polygraph test to.
The FBI polygraphed the suspect but learned nothing because they already knew he was lying.
Where this word comes from
From poly- + -graph.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.