Standard Lemma guide

baryon

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈbɛəɹiɒn/
  • /ˈbæɹiɒn/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A heavy subatomic particle created by the binding of quarks by gluons; a hadron containing three quarks. Baryons have half-odd integral spin and are thus fermions. This category includes the common proton and neutron of the atomic nucleus.

Definition source: English Wiktionary via Wiktextract

Usage: particle

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: heavy particle

Antonyms: none provided

Broader terms: fermion, hadron

Narrower terms: hyperon, nucleon

History

Etymology

From Ancient Greek βαρύς (barús, “heavy”) + -on. Coined by Dutch-American physicist Abraham Pais in 1953. Equivalent to baryo- + -on.

Across languages

Translations

27 source translations are retained for this English entry.

  • Armenian: բարիոն (barion) — heavy subatomic particle
  • Bulgarian: барион (barion) — heavy subatomic particle
  • Catalan: barió — heavy subatomic particle
  • Chinese Mandarin: 重子 (zhòngzǐ) — heavy subatomic particle
  • Danish: baryon — heavy subatomic particle
  • Dutch: baryon — heavy subatomic particle
  • Esperanto: bariono — heavy subatomic particle
  • Finnish: baryoni — heavy subatomic particle
  • French: baryon — heavy subatomic particle
  • Galician: barión — heavy subatomic particle
  • Georgian: ბარიონი (barioni) — heavy subatomic particle
  • Greek: βαρυόνιο (varyónio) — heavy subatomic particle
  • Icelandic: þungeind — heavy subatomic particle
  • Ido: bariono — heavy subatomic particle
  • Italian: barione — heavy subatomic particle
  • Japanese: バリオン (barion) — heavy subatomic particle
  • Japanese: 重粒子 (jūryūshi) — heavy subatomic particle
  • Khmer: ភារាណូ (phea rea no) — heavy subatomic particle
  • Norwegian Bokmål: baryon — heavy subatomic particle
  • Norwegian Nynorsk: baryon — heavy subatomic particle
  • Polish: barion — heavy subatomic particle
  • Brazilian Portuguese: bárion — heavy subatomic particle
  • European Portuguese: barião — heavy subatomic particle
  • Russian: барио́н (barión) — heavy subatomic particle
  • Spanish: barión — heavy subatomic particle
  • Swedish: baryon — heavy subatomic particle
  • Turkish: baryon — heavy subatomic particle