meson

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Pronunciation

• IPA: /ˈmɛs.ɒn/

Noun

meson (plural mesons)

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

Pronunciation

• IPA: /ˈmiː.zɒn/, /ˈmiː.sɒn/

Noun

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) 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.)

Synonyms

• mesotron

Translations

• French: méson
• German: Meson
• Italian: mesone
• Portuguese: méson
• Russian: мезо́н

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