POLYGRAPH


Meaning of POLYGRAPH in English

— polygraphic /pol'i graf"ik/ , adj. — polygraphist /peuh lig"reuh fist/ , polygrapher , n.

/pol"i graf', -grahf'/ , n.

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

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

3. See lie detector .

4. an apparatus for producing copies of a drawing or writing.

5. a prolific or versatile author.

v.t.

6. to test (a person) with a polygraph.

[ 1795-1805 for def. 1; 1920-25 for def. 3; polýgraphos writing much. See POLY-, -GRAPH ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .