breathalyzer
English
Alternative forms
- breathalyser (British)
Etymology
Blend of breath + analyzer. Originally a trademark of Smith & Wesson.
Noun
breathalyzer (plural breathalyzers)
- 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
Often capitalized.
Translations
a device that measures alcohol in expired air
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