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Definition of meson
: any of a group of fundamental particles (such as the pion and kaon) made up of a quark and an antiquark that are subject to the strong force and have zero or an integer number of quantum units of spin
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However, measurements at the CERN collider have shown a definite propensity for the mesons to underproduce muons, as reported at CERN in April.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'meson'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of meson
International Scientific Vocabulary mes- + 2-on
Medical Dictionary
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See words that rhyme with meson Britannica.com: Encyclopedia article about meson
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