Advertisement
Advertisement
radioimmunoassay
[ rey-dee-oh-im-yuh-noh-as-ey, -a-sey, -i-myoo- ]
noun
- a test procedure that integrates immunologic and radiolabeling techniques to measure minute quantities of a substance, as a protein, hormone, or drug, in a given sample of body fluid or tissue.
radioimmunoassay
/ ˈreɪdɪəʊˌɪmjʊnəʊˈæseɪ /
noun
- a sensitive immunological assay, making use of antibodies and radioactive labelling, for the detection and quantification of biologically important substances, such as hormone concentrations in the blood
radioimmunoassay
/ rā′dē-ō-ĭm′yə-nō-ăs′ā,-ĭm-yo̅o̅′- /
- An immunoassay in which the substance to be identified or quantified is labelled with a radioactive substance (called a tracer ), such as an ion.
- See also immunoassay
Discover More
Word History and Origins
Origin of radioimmunoassay1
First recorded in 1960–65; radio- + immunoassay
Advertisement
Word of the Day
[tawr-choo-uhs ]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse