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Xi vs Pi - What's the difference?

xi | pi |

As a noun pi is

foot.

xi

English

Noun

(en noun)
  • The name for the 14th letter of Classical]] and Modern Greek. The 15th in [[Ancient Greek, Ancient and Old Greek.
  • (particle) Either of a pair of hyperons having spin 1/2, which decay into a lambda particle and a pion.

    • Derived terms

    * xi baryon

    pi

    English

    Noun

    (en noun)
  • The name of the sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
  • (mathematics) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.1415926535897932384626433832795; usually written .
  • (metal typesetting) Metal type that has been spilled, mixed together, or disordered. Also called pie.

    • Synonyms

    * (irrational constant) Archimedes' constant, Ludolph's constant, Ludolph's number

    Verb

  • (metal typesetting) To spill or mix printing type. Also, "to pie".

    • Adjective

    (-)
  • (typography) Not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type.
    • In computing, pi characters are entered with special combinations of keys like ctrl-alt-x, or via character sequences such as &
  • 123;.

    • Abbreviation

    (Abbreviation) (head)
  • (typography) pica (conventionally, 12 points = 1 pica, 6 picas = 1 inch)
  • piaster
  • pious

    • Related terms

    * cicero * pica stick

    Anagrams

    * English two-letter words ----