immunochemical assay immunochemical • immunochemistry · · · Info · Definitions · Synonyms · Characters · · immunochemical assay · · Text Common · · Latin · · Scripts 20 · · Length 8 · · Syllables Definitions · · · (noun) identification of a substance (especially a protein) by its action as an antigen. Synonyms: immunoassay, immunochemical assay. Example: "Psa in the blood can be measured with an immunochemical assay." · · Noun Definition 1 Synonyms · · · immunoassay · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075 y latin small letter y U+0079