precipitin precipitator • precipitinogen · · · Info · Definitions · Characters · · precipitin · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) an antibody that causes precipitation when it unites with its antigen. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074