noun
breathalyzer
BREH-thuh-lyz
noun
1
A device used to measure the amount of alcohol in a person's breath.
"The officer asked him to blow into the breathalyzer."
How to Use Breathalyzer
Learner’s notesIn plain EnglishA handheld device police use to test drivers for alcohol.
UK vs US
Often spelled "breathalyser" in British English.
Common pairings
breathalyzer test
fail a breathalyzer
Word Forms
breathalyzers plural
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The officer asked him to blow into the _____.
Etymology
A blend of breath and analyzer, originally a trademarked brand name.