subtilin subtileness • subtilism · · · Info · Definitions · Characters · · subtilin · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a polypeptide antibiotic (similar to bacitracin) obtained from a soil bacterium. · · Noun Definition 1 Characters · · b latin small letter b U+0062 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075