Definition of Alpha particle

1. Noun. A positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes.

Generic synonyms: Particle, Subatomic Particle

Medical Definition of Alpha particle

1. 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. (09 Oct 1997)

Lexicographical Neighbors of Alpha Particle

alpha fetoprotein
alpha fibres
alpha foetoprotein
Alpha Geminorum
alpha globulin
alpha glucosidase
alpha granule
alpha helix
alpha interferon
alpha iron
alpha methyl dopa
alpha methyl dopa
alpha mucase
Alpha Orionis
alpha particle (current term)
alpha particle (current term)
alpha particles
alpha privative
alpha radiation
alpha radiation
alpha ray
alpha ray
alpha receptor
alpha rhythm
alpha rhythm
alpha software
alpha substance
alpha test
Alpha tests
alpha thalassaemia

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