Dictionary.com
definitions
  • synonyms

eta meson

See more synonyms for eta meson on Thesaurus.com
noun Physics.
  1. a neutral meson with strangeness 0 that is its own antiparticle. Symbol: η
Show More

Origin of eta meson

First recorded in 1960–65
Also called eta particle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018