meson

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meson¹

  • /ˈmɛs.ɒn/

Where it comes from

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

noun mesons

  1. regional The mesial plane dividing the body into similar right and left halves.

meson²

  • /ˈmiːzɒn/
  • /ˈ-sɒn/
  • /ˈmɛ-/

Where it comes from

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

noun 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. particle, specifically 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.)

Similar: mesotron

Thesaurus

noun

Similar: mesotron

Translations

Every language

noun elementary particle

日本語中間子 chūkanshi, メソン meson, メゾン mezon
中文介子 jièzǐ
हिन्दीमध्याणु madhyāṇu
Portuguêsmesão, méson
Françaisméson
DeutschMeson
Italianomesone
Русскиймезо́н mezón

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Cite this
MLA

"meson." Wiktionary, via Micwyn, micwyn.com/word/meson. Accessed 6 Nov. 2026.

APA

meson. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/meson

Chicago

"meson." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/meson.

BibTeX
@misc{meson_2026,
  title = {meson},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/meson},
  urldate = {2026-11-06}
}