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Browse the Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

lie detector

One entry found.

Entry Word: lie detector

Function: noun

Meaning: an instrument for detecting physical signs of the tension that goes with lying <hooked the suspect up to a lie detector before interrogating him about the robbery>

Synonyms polygraph

Learn more about "lie detector"

Learn more about "lie detector" and related topics at Britannica.com