From Longman Dictionary of Contemporary Englishbreath testˈbreath ˌtest noun [countable] British English SCa test in which the police make a car driver breathe into a special bag to see if he or she has drunk too much alcohol → breathalyze
Examples from the Corpus
breath test• Police stopped Kelly, of Chelmsford, and a breath test showed him to be more than twice the legal alcohol limit.• Instead he admitted lesser motoring offences including drink-driving, failing to give a breath test and not stopping after an accident.• A charge of refusing to give a breath test was dismissed.• Police kept her locked up in a cell until she gave a negative breath test and was deemed fit to leave.• Mr Warren was arrested in Mayfair, London, in May 1990 after a roadside breath test proved positive.• Police said the driver, who lives nearby with his grandmother, had failed a roadside breath test.• Pritchard failed a roadside breath test which recorded 151 micrograms of alcohol in 100 millilitres of breath.• In healthy volunteers, H pylori state was determined by the C urea breath test. 