Thesaurus.com
Dictionary.com
Showing results for polygraph. Search instead for Polygraphs.
Definitions

polygraph

[pol-i-graf, -grahf] / ˈpɒl ɪˌgræf, -ˌgrɑf /
NOUN
lie detector
Synonyms
WEAK
polygraph machine psychogalvanic skin response psychogalvanometer

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.