pi meson

noun

A pion, a type of meson.

Similar
pionπonπ-onmul:π
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Meanings

nounpi meson (plural pi mesons)

plural pi mesons · alternative π meson · alternative π-meson · alternative pi-meson

  1. datedformalA pion, a type of meson.

    There were also particles no one had predicted that just appeared. Five of them […, i]n order of increasing modernity, […] are the neutrino, the pi meson, the antiproton, the quark and the Higgs boson.

    2012 March-April, Jeremy Bernstein, “A Palette of Particles”, in American Scientist, volume 100, number 2, page 146

    Synonyms: pion, πon, π-on, mul:π

Synonyms & antonyms

nounA pion, a type of meson.

Similar
pionπonπ-onmul:π
Also see
pionπ-onπon

Origin

From pi (“π”) + meson.

Full word history & related roots →
Cite this entry
APA

pi meson. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pi%20meson

MLA

“pi meson.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pi%20meson. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pi meson,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pi%20meson.

Source: pi meson on Wiktionary, CC BY-SA 4.0.