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 WordNet Dictionary |
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| | Definition: | | [n] a positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes |
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| | See Also: | | particle |
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| Computing Dictionary |
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| | Definition: | | bit rot |
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| Biology Dictionary |
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| | Definition: | | A radioactive particle made up of two protons and two neutrons; these particles are created by the decay of a radioactive material or by nuclear bombardment, and they are the same as the nucleus of a helium-4 atom. |
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| Thesaurus Terms |
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| | Related Terms: | | antibaryon, antilepton, antimeson, atomic nucleus, atomic particle, aurora particle, baryon, beta particle, electron, elementary particle, heavy particle, Kern, lepton, meson, mesotron, neutron, NMR, nuclear force, nuclear magnetic resonance, nuclear particle, nuclear resonance, nucleon, nucleosynthesis, nucleus, photon, proton, radioactive particle, radion, solar particle, strangeness, strong interaction, triton, valence electron |
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