LIE DETECTOR


Meaning of LIE DETECTOR in English

ˈlie deˌtector BrE AmE noun [countable]

a piece of equipment used especially by the police to check whether someone is lying, by measuring sudden changes in their heart rate SYN polygraph :

He was asked to take a lie detector test.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.