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meson

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(mes′än′, mez′-; mā′sän′, -zän′; mē′-)

☆

noun

Particle Physics any of a group of subatomic particles that are both hadrons and bosons, including the pion and kaon

Origin: < mes(otr)on

Related Forms:

mesonic adjective

See meson in American Heritage Dictionary 4

noun

Any of a family of subatomic particles that participate in strong interactions, are composed of a quark and an antiquark, and have masses generally intermediate between leptons and baryons. See Table at subatomic particle.

Related Forms:

me·sonˈic (mĕ-zŏnˈĭk, -sŏnˈ, mē-) adjective

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