noun
a positively charged particle consisting of two protons and two neutrons, emitted in radioactive decay
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An alpha particle is a positively charged particle consisting of two protons and two neutrons.
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Dude, did you know that an alpha particle is like a tiny little powerhouse of energy?
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Yo, that alpha particle is like the boss of all particles, man.
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Her confidence was like an alpha particle, radiating strength and power in every direction.