antibaryon

antibaryon

[an-tee-bar-ee-on, an-tahy-]
noun Physics.
the antiparticle of a baryon, having baryon number −1 and charge, strangeness, and other quantum numbers opposite in sign to those of the baryon.

Origin:
anti- + baryon

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Collins
World English Dictionary
antibaryon (ˌæntɪˈbærɪən)
 
n
physics the antiparticle of any of the baryons

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
antibaryon   (ān'tē-bār'ē-ŏn', ān'tī-)  Pronunciation Key 
The antiparticle that corresponds to a baryon.
The American Heritage® Science Dictionary
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