HyperDicEnglishALPHA ... alpha particle

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Related WikiPedia: alpha particle
English 1 sense of the expression alpha particle:
NOUNobjectalpha particlea positively charged particle that is the nucleus of the helium atom
Englishalpha particle: 1 sense noun 1, object
MeaningA positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes.
Broaderparticle, subatomic particleA body having finite mass and internal structure but negligible dimensions
Spanishpartícula alfa
Catalanpartícula alfa

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