xi

Definitions:

  • The 14th letter of the Greek alphabet.
  • The Greek letter <bt>Ξ</bt>, <bt>ξ</bt>, corresponding to the English <em>x</em> and <em>z.</em>
  • The Greek letter <bt>Ξ</bt>, <bt>ξ</bt>, corresponding to the English <em>x.</em>
  • The name for the 14th letter of <xref>Classical</xref> and <xref>Modern Greek</xref>. The 15th in <xref>Ancient</xref> and <xref>Old Greek</xref>.
  • Either of a pair of <xref>hyperons</xref> having spin 1/2, which decay into a lambda particle and a <xref>pion</xref>.
  • being one more than ten
  • the cardinal number that is the sum of ten and one
  • the 14th letter of the Greek alphabet
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