lie detector

lie de·tec·tor

L l

Transcription

- US Pronunciation
- US IPA
- [lahy dih-tek-ter]
- /laɪ dɪˈtɛk tər/

- US Pronunciation
- US IPA
- [lahy dih-tek-ter]
- /laɪ dɪˈtɛk tər/

Definitions of lie detector words

noun lie detector a polygraph used to determine changes in certain body activities, as blood pressure, pulse, breathing, and perspiration, the results of which may be interpreted to indicate the truth or falsity of a person's answers under questioning. 1
noun lie detector instrument that indicates sb is lying 1
noun lie detector instrument that indicates sb is lying 1
noun lie detector instrument that indicates sb is lying 1
countable noun lie detector A lie detector is an electronic machine used mainly by the police to find out whether a suspect is telling the truth. 0
noun lie detector a polygraph used esp by a police interrogator to detect false or devious answers to questions, a sudden change in one or more involuntary physiological responses being considered a manifestation of guilt, fear, etc 0

See all 8 definitions of lie detector

Information block about the term

Origin of lie detector

First appearance:

before 1905

One of the 15% newest English words

An Americanism dating back to 1905-10

Historical Comparancy

Parts of speech for Lie detector

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Lie detector

lie detector popularity

This term is known only to a narrow circle of people with rare knowledge. Only 29% of English native speakers know the meaning of this word.

According to our data about 75% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

lie detector usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for lie detector

noun lie detector

polygraph — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.

All 2 Synonyms of lie detector