Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A radioactive isotope of an element.
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a radioactive isotope of an element; produced either naturally or artificially
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: isotope
Narrower terms: tracer, label, iodine-131, iodine-125
History
Etymology tree Latin radiusder. English radio- English isotope English radioisotope From radio- + isotope.
Across languages
13 source translations are retained for this English entry.
