Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun radioimmunoassay

1 sense of radioimmunoassay

Sense 1
radioimmunoassay -- (immunoassay of a substance that has been radioactively labeled)
       => immunoassay, immunochemical assay -- (identification of a substance (especially a protein) by its action as an antigen; "PSA in the blood can be measured with an immunochemical assay")