breathalyzer

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English[edit]

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Etymology[edit]

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

Alternative forms[edit]

Noun[edit]

breathalyzer (plural breathalyzers)

  1. 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.

Usage notes[edit]

Often capitalized.

Translations[edit]