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eta meson

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noun Physics.

a neutral meson with strangeness 0 that is its own antiparticle. Symbol: η

QUIZZES

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Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Also called eta particle.

Origin of eta meson

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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