Breathalyzer Definition

brĕthə-līzər
breathalyzers
noun
Such a device.
Webster's New World

A device that measures alcohol in expired air so as to estimate the concentration of alcohol in a person's blood; used by traffic police in cases of suspected driving while under the influence of alcohol.

Wiktionary
A device that measures that blood alcohol content of a person by analyzing the content of the moisture in her breath. Usually used by police when a person is suspected of driving while intoxicated.
Webster's New World Law
Synonyms:
  • breathalyser

Other Word Forms of Breathalyzer

Noun

Singular:
Breathalyzer
Plural:
breathalyzers

Origin of Breathalyzer

  • Blend of breath and analyzer. Originally a trademark of Smith & Wesson.

    From Wiktionary

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Breathalyzer