isotope
noun/ˈaɪsətoʊp/
Frequency rank: #11,165 of 20,003 in the WORDED list (wordfreq data)
Meaning
a form of an element that has the same number of protons but a different number of neutrons.
Example sentence
Carbon-14 is one radioactive isotope of carbon that scientists use to date ancient artifacts.
Synonyms & related words
- variant
- nuclide
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