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Word of the Day Tuesday, June 9, 2026

proton

/ˈproʊtɑːn/ noun · British & US
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What does proton mean?

noun

A subatomic particle that has a positive charge and is found in the nucleus of an atom. It is one of the three main components of an atom, along with neutrons and electrons.

Example

"The proton is a fundamental particle in the universe, and it plays a crucial role in the structure of atoms."

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

Synonyms for proton

Rhymes with proton

Etymologically related