radioimmunoelectrophoresis
/ˌreɪdɪoʊˌɪmjʊnəʊɪˌlɛktrə(ʊ)fəˈriːsɪs/Medicine and Biology
noun
Immunoelectrophoresis carried out using radiolabelled antigen or antibody, typically followed by autoradiography.
Origin
1960s. From radio- + immunoelectrophoresis.