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composite particle
(nuclear physics) A subatomic particle that is not an elementary particle, i.e. a hadron or an atomic nucleus.
alpha particle
(physics) A positively charged nucleus of a helium-4 atom (consisting of two protons and two neutrons), emitted as a consequence of radioactivity; α-particle
God particle
(informal) The Higgs boson.
elementary particle
(physics) A fundamental particle; any of the subatomic particles that do not consist of other, smaller particles; the gauge bosons, leptons and quarks.
particle board
(US, Canada) a structural material manufactured from wood particles (such as chips and shavings) by pressing, and binding through resin
particle accelerator
A device that accelerates electrically charged particles to extremely high speeds, for the purpose of inducing high energy reactions or producing high energy radiation.
subatomic particle
Any of many units of matter smaller than an atom.
fundamental particle
(physics) Any of the subatomic particles that does not consist of other, smaller particles; the gauge bosons, leptons and quarks.
delta particle
charged particle
(physics) Any particle, especially a subatomic particle, that carries an electric charge. / (chemistry) An ion.
