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proton
Definitions
[ˈprəʊtɒn], (Noun)
Definitions:
- a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron
Phrases:
Origin
:
early 20th century (in sense ‘each of four hypothetical elements regarded as forming the basis of all the other elements’): from Greek, neuter of prōtos ‘first’. The modern sense is first recorded in 1920
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definition by Oxford Dictionaries