pi

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See also Appendix:Variations of "pi"

Contents

[edit] English

Ancient Greek Alphabet
←
omicron
 Greek uc pi.pngGreek lc pi.png →
rho
Π π
Ancient Greek: πεῖ
Wikipedia article on pi


This mosaic is outside the mathematics building at the Technische Universität Berlin.
When a circle's diameter is 1 unit, its circumference is π units.
When a circle's radius is 1 unit, its circumference is 2π units.

[edit] Pronunciation

[edit] Noun

pi (plural pis)

  1. The name of the sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
  2. (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.
  3. (letterpress typography) Metal type that has been spilled, mixed together, or disordered. Also called pie.

[edit] Synonyms

[edit] Translations

letter of Greek alphabet
irrational mathematical constant
metal type that has been spilled

[edit] Verb

pi (third-person singular simple present pies, present participle piing, simple past and past participle pied)

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

[edit] Adjective

pi (not comparable)

  1. (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 {.

[edit] Translations

not part of the usual font

[edit] Abbreviation

pi

  1. (typography) pica (conventionally, 12 points = 1 pica, 6 picas = 1 inch)
  2. piaster

[edit] Related terms

[edit] Anagrams

[edit] Albanian

[edit] Pronunciation

[edit] Etymology

From Proto-Albanian *pīja, from Proto-Indo-European *pih₃- (compare Greek πίνω (pínō), Serbo-Croatian pìti, Italian bere).

[edit] Verb

pi (first-person singular past tense piva, participle pirë)

  1. I drink

[edit] Usage notes

  • ai pi - he is a drinker
  • nuk pi duhan - I do not smoke

[edit] Catalan

[edit] Etymology 1

From Latin pinus.

[edit] Noun

pi m. (plural pins)

  1. pine; evergreen tree of the genus Pinus
  2. pinewood
[edit] Derived terms
Species of pine
Other evergreen species

[edit] Etymology 2

[edit] Noun

pi f. (plural pis)

  1. Pi; the Greek letter Π (lowercase π).

[edit] French

[edit] Noun

pi m. inv.

  1. pi (Greek letter)
  2. (mathematics) pi

[edit] Inuktitut

[edit] Alternative forms

  • ᐱ (Syllabics )

[edit] Noun

pi

  1. A thing.

[edit] Italian

[edit] Noun

Italian Wikipedia has an article on:

Wikipedia it

pi m. inv.

  1. pi (Greek letter)

[edit] Japanese

[edit] Syllable

pi

  1. The hiragana syllable ぴ (pi) or the katakana syllable ピ (pi) in Hepburn romanization.

[edit] Lojban

[edit] Cmavo

pi

  1. decimal point
    xapixa
    6.6
  2. point for other numbering systems (e.g., binary, ternary, octal, etc.)

[edit] Related terms

[edit] Mandarin

[edit] Romanization

pi

  1. Nonstandard spelling of pī.
  2. Nonstandard spelling of pí.
  3. Nonstandard spelling of pǐ.
  4. Nonstandard spelling of pì.

[edit] Usage notes

English transcriptions of Chinese speech often fail to distinguish between the critical tonal differences employed in the Chinese language, using words such as this one without the appropriate indication of tone.

[edit] Quechua

[edit] Pronoun

pi

  1. who

[edit] Serbo-Croatian

[edit] Pronunciation

[edit] Noun

pȋ n. (Cyrillic spelling пи̑)

  1. pi (Greek letter)
  2. pi (mathematical constant)

[edit] Slovene

[edit] Noun

pí m.

  1. pi (Greek letter)
  2. pi (mathematical constant)

[edit] Spanish

[edit] Noun

pi f. (plural píes)

  1. pi; the Greek letter Π, π

[edit] Swedish

[edit] Noun

pi n.

  1. (mathematics) pi, a constant
  2. pi; a Greek letter
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