Proton

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See also: proton, protón, and próton

English

Pronunciation

  • /ˈprōˌtän/
    Audio:(file)

Noun

noun [PHYSICS]

  1. A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.

Declension

Template:de-decl-noun-n

See also

Origin

GREEK

prōtos -----> proton

First 1920s

1920s: from Greek, neuter of prōtos ‘first’.

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