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omega-minus particle

[oh-mee-guh-mahy-nuh s, -mey-, oh-meg-uh-] /oʊˈmi gəˈmaɪ nəs, -ˈmeɪ-, oʊˈmɛg ə-/
noun, Physics.
1.
a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Symbol: Ω .
Origin
1960-1965
1960-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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