ポリグラフ

noun

polygraph; lie detector

A device that measures physiological responses to detect deception. The native term 嘘発見器 (うそはっけんき) is also used.

See also: 嘘発見器 (うそはっけんき)

• 警けい察さつは容よう疑ぎ者しゃにポリグラフ検けん査さを行おこなった。

  The police conducted a polygraph test on the suspect.