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Word of the Day Wednesday, June 10, 2026

isotope

/ˈaɪsoʊtəp/ noun · British & US
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What does isotope mean?

noun

An atom of an element that has a particular number of neutrons in its nucleus, leading to a different atomic mass from other atoms of the same element.

Example

"The scientist studied the different isotopes of uranium to understand their properties."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for isotope

Rhymes with isotope

Etymologically related