achromycin achromous • achronical · · · Info · Definitions · Synonyms · Characters · · achromycin · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections. Synonyms: tetracycline, Achromycin. · · Noun Definition 1 Synonyms · · · tetracycline · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 y latin small letter y U+0079