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definitions

xi particle

noun Physics.

any of a family of baryons having strangeness −2 and isotopic spin ½. Symbol: Ξ

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Nearby words

  1. xerxes i,
  2. xhosa,
  3. xi,
  4. xi baryon,
  5. xi jiang,
  6. xi'an,
  7. xi-c baryon,
  8. xia,
  9. xia gui,
  10. xiamen
Compare cascade particle.

Origin of xi particle

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019