This shows grade level based on the word's complexity.
eta meson
Save This Word!
This shows grade level based on the word's complexity.
noun Physics.
a neutral meson with strangeness 0 that is its own antiparticle. Symbol: η
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Also called eta particle.
Origin of eta meson
First recorded in 1960–65
Words nearby eta meson
étagère, e-tail, e-tailing, et al., etalon, eta meson, etamine, etanercept, etaoin shrdlu, eta particle, étape
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022