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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

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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

How to use eta meson in a sentence

Aznar jumped to conclusions, quickly blaming Basque separatist organization ETA for the al Qaeda attack.
French Police Mount a Massive Manhunt for Killer of 3 Children, Teacher|Tracy McNicoll|March 20, 2012|DAILY BEAST
Hell, they could have been the Basque ETA or the ultra right wing U.S. militia.
They're Winning|Steve Emerson|December 1, 2008|DAILY BEAST
Alpha and Eta are both of them large letters: the first is assigned to signify size, the last to signify length.
Plato and the Other Companions of Sokrates, 3rd ed. Volume III (of 4)|George Grote
Another variable star showing some unique features is Eta Aquil.
The Popular Science Monthly, October, 1900|Various

At the meson we found real rooms and true beds, and decided to stay for the night.
In Indian Mexico (1908)|Frederick Starr
At half past eight we reached San Carlos, a mean town with no meson or other regular stopping-place.
In Indian Mexico (1908)|Frederick Starr
We found shelter at a sort of a meson, where we could get no supper until nine, or possibly till ten.
In Indian Mexico (1908)|Frederick Starr