pi

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Definitions (15)

Toggle American Heritage definitions American Heritage Dictionary (5)

  1. noun The 16th letter of the Greek alphabet. See Table at alphabet.
  2. noun Mathematics A transcendental number, approximately 3.14159, represented by the symbol π, that expresses the ratio of the circumference to the diameter of a circle and appears as a constant in many mathematical expressions.
  3. noun An amount of type that has been jumbled or thrown together at random.

Toggle Century definitions Century Dictionary (2)

Toggle GNU Webster definitions GNU Webster's 1913 (3)

Toggle WordNet definitions WordNet (5)

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Examples

  • Then their greater numbers began to push the Drenai back across the blood-covered cobblestones of the archway. —  Waylander
  • And yet all that gentle loveliness of Nature made this terrific and wholesale destruction the more pitiable and awful. —  The Poison Belt
  • I remember another singular picture, some miles on the London side of Sevenoaks. —  The Poison Belt
  • Then a winch was set up behind the ballista. —  Waylander
  • George, let us get back to Rotherfield. —  The Poison Belt
 

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Pi has been looked up 246 times, favorited 0 times, listed 39 times, and commented on 8 times.

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Etymologies (3)

Toggle American Heritage etymologies American Heritage Dictionary (2)

  1. Late Greek , from Greek pei, of Phoenician origin; see p in Semitic roots.
  2. Origin unknown.

Toggle Century etymologies Century Dictionary (1)

  1. The name of the Greek letter π, πῑ, the initial letter of περιφέρεια, periphery, circumference.
 

Pronunciations
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/Pai/
by American Heritage

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