follow Dictionary.com

What's the difference between i.e. and e.g.?

eta meson

noun, Physics.
1.
a neutral meson with strangeness 0 that is its own antiparticle. Symbol: η.
Also called eta particle.
Origin
1960-1965
1960-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
eta particle in Science
eta particle
  (ā'tə, ē'tə)   
An electrically neutral meson having a mass 1,071 times that of the electron and a mean lifetime of approximately 3.5 × 10-8 seconds. See Table at subatomic particle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for eta meson

Few English speakers likely know this word

Word Value for eta

3
3
Scrabble Words With Friends

Nearby words for eta particle