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xi particle
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noun Physics.
any of a family of baryons having strangeness −2 and isotopic spin ½. Symbol: Ξ
QUIZ
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Question 1 of 9
Which of the following nouns has an irregular plural form?
Compare cascade particle.
Origin of xi particle
First recorded in 1960–65
Words nearby xi particle
Xining, Xinjiang, Xinjiang Uygur Autonomous Region, Xinxiang, -xion, xi particle, Xipe, xiphi-, xiphisternum, xipho-, xiphoid
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022