radioisotope

[ rey-dee-oh-ahy-suh-tohp ]
/ ˌreɪ di oʊˈaɪ səˌtoʊp /

noun

a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.

Origin of radioisotope

First recorded in 1940–45; radio- + isotope

OTHER WORDS FROM radioisotope

ra·di·o·i·so·top·ic [rey-dee-oh-ahy-suh-top-ik] /ˌreɪ di oʊˌaɪ səˈtɒp ɪk/, adjective

Words nearby radioisotope

radioimmunoelectrophoresis, radioimmunology, radioimmunoprecipitation, radioiodine, radioiron, radioisotope, radiolabel, radioland, radiolarian, radiolesion, radioligand

British Dictionary definitions for radioisotope

radioisotope
/ (ˌreɪdɪəʊˈaɪsətəʊp) /

noun

an isotope that is radioactive

Derived forms of radioisotope

radioisotopic (ˌreɪdɪəʊˌaɪsəˈtɒpɪk), adjective

Medical definitions for radioisotope

radioisotope
[ rā′dē-ō-ī′sə-tōp′ ]

n.

A naturally or artificially produced radioactive isotope.

Scientific definitions for radioisotope

radioisotope
[ rā′dē-ō-ī′sə-tōp′ ]

A radioactive isotope of a chemical element. Carbon 14 and radon 222 are examples of naturally occurring radioactive isotopes.