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 ?
Saturday morning on suspicion of driving drunk and failing a sobriety breathalizer test with a .
While there's no test to measure driver drowsiness the way that breathalizers check for alcohol, doctors must report the names of patients suffering from disorders that involve lapses of consciousness, including sleep apnea and narcolepsy.
At that time, pre-employment, post-accident, and "reasonable suspicion" testing will begin through the use of breathalizers and urine samples.