meson

From Ancient Greek μέσον (méson, “middle”). Doublet of medium.

• IPA^(key): /ˈmɛs.ɒn/

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meson (plural mesons)

1. (rare outside entomology) The mesial plane dividing the body into similar right and left halves.

• ventrimeson
• dorsimeson

From meso- +‎ -on. Coined by Indian physicist Homi Bhabha in 1939, as a modification of the earlier suggestion mesotron.

• IPA^(key): /ˈmiːzɒn/, /ˈ-sɒn/, /ˈmɛ-/

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meson (plural mesons)

1. (obsolete) A member of a group of subatomic particles having a mass intermediate between electrons and protons. (The most easily detected mesons fit this definition.)
2. (now specifically, particle physics) An elementary particle that is composed of a quark and an antiquark, such as a kaon or pion. (Mesons composed of rarer quarks are much heavier.)

• mesotron

• boson
• hadron

• scalar meson
• vector meson

• 'mones, Mones, Semon, mones, nomes, omens, semon, somen

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meson n (plural mesonen)

1. (physics) meson

meson

1. accusative singular of meso

• IPA^(key): /me.zɔ̃/

meson m (plural mesons)

1. alternative spelling of méson

• maisun
• maison

From Latin mansiō, mansiōnem (“abode, home, dwelling”).

meson oblique singular, f (oblique plural mesons, nominative singular meson, nominative plural mesons)

1. house

• French: maison