Definition of pi meson in English:

pi meson

Syllabification: pi me·son
Pronunciation: /ˈpī ˈmāsän, -ˌzän


  • another term for pion.
    More example sentences
    • In 1947, English physicist Cecil Powell observed Yukawa's mesons, now called pi-mesons or pions, in the upper atmosphere, where they were produced by cosmic ray collisions.
    • If, for example, the interaction between two protons in a nucleus is studied, quite good results can be obtained by describing it as an exchange of pi-mesons.

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