Pi

Abbreviation

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

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 {."

Noun

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

Verb

  • (letterpress typography) To spill or mix printing type. Also, "to pie".

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