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breathalyser

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