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Word of the Day Tuesday, June 9, 2026

subatomic

/ˌsʌbˈætəmɪk/ adjective · British & US
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What does subatomic mean?

adjective

Smaller than an atom; relating to or denoting particles that are smaller than atoms.

Example

"The subatomic particles in the nucleus of an atom are held together by the strong nuclear force."

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

Synonyms for subatomic

Antonyms of subatomic

Rhymes with subatomic

Etymologically related