breathalyser
noun (British English)(North American English Breathalyzer™)
a device used by the police to measure the amount of alcohol in a driver’s breath Topics Law and justicec2呼气酒精含量探测器 Oxford Collocations DictionaryBreathalyser is used before these nouns:- test
More Like This Blended or portmanteau wordsBlended or portmanteau wordsWord Origin1960s: blend of breath and analyse, + -er.