Associations to the word «Polygraph»

Wiktionary

POLYGRAPH, noun. 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.
POLYGRAPH, noun. (dated) A mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.
POLYGRAPH, noun. (archaic) A collection of different works, either by one or several authors.
POLYGRAPH, noun. (linguistics) A group of letters that represent a single phoneme
POLYGRAPH, verb. To administer a polygraph test.

Dictionary definition

POLYGRAPH, noun. A medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration).

Wise words

It is better wither to be silent, or to say things of more value than silence. Sooner throw a pearl at hazard than an idle or useless word; and do not say a little in many words, but a great deal in a few.
Pythagoras