Meson

Pronunciation

• IPA: /ˈmÉ›sÉ’n/

From Ancient Greek μέσον (méson, "middle").

Noun

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

Pronunciation

• IPA: /ˈmiːzÉ’n/, /ˈmiːsÉ’n/

From - + on.

Full definition of meson

Noun

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. (Meson composed of rarer quarks are much heavier.)

Synonyms

• mesotron

Derived terms

• mesonic

Anagrams

• nomes
• omens
• somen