cacogenesis cacogastric • cacogenic · · · Info · Definitions · Characters · · cacogenesis · · Text Latin · · Script 11 · · Length Definitions · · · (noun) inability to produce hybrids that are both viable and fertile. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073