breathalyzer

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Breathalyzer

[breth′əlī′zər]
a trademark for a device that analyzes exhaled air. It is commonly used to test for blood alcohol levels; the test is based on the relationship between alcohol in the breath and alcohol in the blood circulating through the lungs. Also spelled Breathalyser.

breathalyzer

Public health A device used to detect alcohol on a suspected drunk driver's breath; see DWI.
References in periodicals archive ?
They also need only the passive participation of individuals, compared with, say, repeated measurement with breathalizers.
08 (the legal limit for BAC while driving) into the officer's breathalizer.
Saturday morning on suspicion of driving drunk and failing a sobriety breathalizer test with a .