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Radioisotope

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The American Heritage® Dictionary of the English Language, 4th Edition

n. A naturally or artificially produced radioactive isotope of an element.

Wiktionary, Creative Commons Attribution/Share-Alike License

n. a radioactive isotope of an element

WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

n. a radioactive isotope of an element; produced either naturally or artificially

Word Usage

"The NASA probes use so-called radioisotope thermoelectric generators (RTGs) which transform heat emitted from naturally decaying plutonium into electricity."

Hypernym

Words that are more generic or abstract

isotope

Hyponym

tracer iodine-125 iodine-131 label

Synonym

Words with the same meaning

radionuclide

Same Context

Words that are found in similar contexts

thousan tolaunch two-proton radionuclide warpdrive