inoculant inoculable • inocular · · · Info · Definitions · Synonyms · Characters · · inoculant · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease. Synonyms: inoculum. · · Noun Definition 1 Synonyms · · · inoculum · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 u latin small letter u U+0075