Pi Definition

pī
pied, pieing, pies, piing, pis
noun
A mixed, disordered collection of printing type.
Webster's New World
The sixteenth letter of the Greek alphabet (Π, π)
Webster's New World
Any jumble or mixture.
Webster's New World
An amount of type that has been jumbled or thrown together at random.
American Heritage
The symbol (π) designating the ratio of the circumference of a circle to its diameter.
Webster's New World
Synonyms:
verb
To make jumbled; mix up (type)
Webster's New World
To become jumbled.
American Heritage
Synonyms:
abbreviation
Private investigator.
Webster's New World

Other Word Forms of Pi

Noun

Singular:
pi
Plural:
pis

Origin of Pi

  • Late Greek pī from Greek pei of Phoenician origin p in Semitic roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Origin unknown

    From American Heritage Dictionary of the English Language, 5th Edition

Pi Sentence Examples

  • In 2009, pi was calculated to more than two trillion digits—in less than thirty hours.

  • In fact, a continued fraction ai +a2+ +an+ can be constructed having for the numerators of its successive convergents any assigned quantities pi, P2, P3,

  • The abdication of Amadeus led to the proclamation of the federal republic. The senate and congress, very largely composed of monarchists, permitted themselves to be dragged along into democracy by the republican minority headed by Salmeron, Figueras, Pi y Margall and Castelar.

  • Normally thought of as the ratio of a circle's circumference to its diameter, pi keeps turning up in odd places.

  • If the system is supposed to obey the conservation of energy and to move solely under its own internal forces, the changes in the co-ordinates and momenta can be found from the Hamiltonian equations aE aE qr = 49 - 1 57., gr where q r denotes dg r ldt, &c., and E is the total energy expressed as a function of pi, qi,.

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