lysin lysimeter • lysine · · · Info · Definitions · Characters · · lysin · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) any substance (such as an antibody) or agent that can cause lysis. · · Noun Definition 1 Characters · · 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 y latin small letter y U+0079