from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A polygraph used to detect possible deception during an interrogation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A 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 asked to a subject, in an attempt to detect lies.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a polygraph that records bodily changes sometimes associated with lying
Sorry, no etymologies found.