breathalyser breathalyse • breathalyze · · · Info · Definitions · Synonyms · Characters · · breathalyser · · Text Latin · · Script 12 · · Length 4 · · Syllables Definitions · · · (noun) a device that measures chemicals (especially the alcohol content) in a person's expired breath. Synonyms: breathalyzer. · · Noun Definition 1 Synonyms · · · breathalyzer · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079