serum disease serum anaphylaxis • serum globulin · · · Info · Definitions · Synonyms · Characters · · serum disease · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum. Synonyms: serum sickness, serum disease. · · Noun Definition 1 Synonyms · · · serum sickness · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075