esmolol esmeraldite • esne · · · Info · Definitions · Synonyms · Characters · · esmolol · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) intravenous beta blocker (trade name Brevibloc) that acts for only a short time; used primarily for cardiac arrhythmias. Synonyms: Brevibloc. · · Noun Definition 1 Synonyms · · · brevibloc · · Synonym 1 Characters · · e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073