| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024pol•y•graph /ˈpɑlɪˌgræf/USA pronunciation n. [countable]- Medicinelie detector.
- Medicinea test using a lie detector.
v. [~ + object] - Medicineto test (a person) with a polygraph.
See -graph-. WordReference Random House Unabridged Dictionary of American English © 2024pol•y•graph (pol′i graf′, -gräf′),USA pronunciation n. - Medicinean instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- Medicinea test using such an instrument to determine if a person is telling the truth.
- MedicineSee lie detector.
- an apparatus for producing copies of a drawing or writing.
- a prolific or versatile author.
v.t. - Medicineto test (a person) with a polygraph.
- Greek polýgraphos writing much. See poly-, -graph
- 1795–1805 for def. 1; 1920–25 for def. 3
Collins Concise English Dictionary © HarperCollins Publishers:: polygraph /ˈpɒlɪˌɡrɑːf -ˌɡræf/ n - 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
Etymology: 18th Century: from Greek polugraphos writing copiously |