pi

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See also Appendix:Variations of "pi"

Contents

English [edit]

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.

Pronunciation [edit]

Noun [edit]

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.

Synonyms [edit]

Translations [edit]

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

Verb [edit]

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".

Adjective [edit]

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 {.

Translations [edit]

not part of the usual font

Abbreviation [edit]

pi

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

Related terms [edit]

Anagrams [edit]

Albanian [edit]

Pronunciation [edit]

Etymology [edit]

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

Verb [edit]

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

  1. I drink

Conjugation [edit]

This Albanian verb needs an inflection-table template.

Usage notes [edit]

  • ai pi - he is a drinker
  • nuk pi duhan - I do not smoke
Derived terms [edit]

Catalan [edit]

Etymology 1 [edit]

From Latin pinus.

Noun [edit]

pi m (plural pins)

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

Etymology 2 [edit]

Noun [edit]

pi f (plural pis)

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

Dalmatian [edit]

Etymology [edit]

From Latin pes, pedem.

Noun [edit]

pi m (plural pič)

  1. foot

French [edit]

Etymology 1 [edit]

Noun [edit]

pi m (invariable)

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

Etymology 2 [edit]

Conjunction [edit]

pi

  1. (Quebec, colloquial) Alternative spelling of pis: and.

Inuktitut [edit]

Alternative forms [edit]

  • ᐱ (Syllabics )

Noun [edit]

pi

  1. A thing.

Italian [edit]

Noun [edit]

Italian Wikipedia has an article on:

Wikipedia it

pi m (invariable)

  1. pi (Greek letter)

Japanese [edit]

Romanization [edit]

pi

  1. See ぴ
  2. See ピ

Kedah Malay [edit]

Pronunciation [edit]

Verb [edit]

pi

  1. Go
    Satgi kalau depa nak pi keluaq dah, habaq kat aku awai sikit noh, satgi tak dan.
    If they are ready to go out, please inform me earlier, so that I won't be late.
    Hang ni oghang kata pa pun bukan nak dengaq, mampuih pi kat hang la.
    You never listen, just go to hell
  2. Do
    Hangpa pi bedak elok-elok bagi sama banyak buah moktan tu, satgi baghu tak berkelai.
    You should split the rambutans equally between yourselves, then you won't have to fight over it.
    Awat yang hang pi pukui dia, satgi dia bawak mai geng pi taboh hang pulak, lagu mana?
    Why did you hit him, don't you afraid he might summon his gang to beat you up?

See also [edit]

Lojban [edit]

Cmavo [edit]

pi (rafsi piz)

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

Related terms [edit]

Mandarin [edit]

Romanization [edit]

pi

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

Usage notes [edit]

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.

Quechua [edit]

Pronoun [edit]

pi

  1. who

Serbo-Croatian [edit]

Pronunciation [edit]

Noun [edit]

pȋ n (Cyrillic spelling пи̑)

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

Slovene [edit]

Noun [edit]

pí m inan.

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

Spanish [edit]

Noun [edit]

pi f (plural píes)

  1. pi; the Greek letter Π, π

Swedish [edit]

Noun [edit]

pi n

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