# baryon

> English word · Noun · IPA /ˈbɛəɹiɒn/ · frequency rank #92,369

## Definitions
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.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/baryon