PI

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Translingual[edit]

Symbol[edit]

PI

  1. (international standards) Indeterminately reserved ISO 3166-1 alpha-2 country code for the Philippines.
    Synonyms: PH (for general use), RP (1968 Convention)

Usage notes[edit]

This is an indeterminately reserved code, included as part of ISO 3166-1 on the request of the Secretary-General of the United Nations due to its use in designating road vehicles under the 1949 Geneva Convention on Road Traffic, and is not endorsed for general use by the ISO. The general-purpose code for the Philippines is PH.

English[edit]

Alternative forms[edit]

Proper noun[edit]

PI

  1. Abbreviation of Piauí., a state of Brazil.
  2. Initialism of Prison Industries (the prison-run work program for inmates)
  3. (US, Philippines, historical, dated) Initialism of The Philippine Islands.
    Synonyms: PH, PHL, PHI
    We're going back to the PI for a vacation this summer.

Noun[edit]

PI (countable and uncountable, plural PIs)

  1. (informatics, SGML, XML) Initialism of processing instruction.
  2. Initialism of partial induction (see AI)
  3. Initialism of personal injury.
  4. Initialism of politically incorrect (see PC)
  5. Initialism of principal investigator (lead researcher on a grant-funded project)
  6. Initialism of private investigator.
  7. Initialism of parallel import.
  8. (biochemistry) Abbreviation of phosphatidylinositol (a phospholipid component of eukaryotic cell membranes, also abbreviated in PtdIns)
  9. (pharmacology) Initialism of protease inhibitor.
  10. (organic chemistry) Initialism of polyimide.
  11. (medicine) Initialism of ponderal index.
  12. (surgery) Initialism of penile inversion.
  13. (electronics) Initialism of power integrity.
  14. Abbreviation of prohibited immigrant.
  15. (fan fiction category) Initialism of pseudoincest.
  16. (automotive) Initialism of port injection. (fuel injection)
    Hyponyms: MPI, TPI
    Coordinate terms: DI, EFI, FI, TBI, MPI
  17. (psychology) Initialism of paradoxical intention.

Related terms[edit]

Anagrams[edit]

Portuguese[edit]

Proper noun[edit]

PI

  1. Abbreviation of Piauí. (Brazilian state)

Tagalog[edit]

Pronunciation[edit]

  • IPA(key): /ˈpiʔaj/, [ˈpi.ʔaɪ̯]

Interjection[edit]

PI (Baybayin spelling ᜉᜒᜀᜌ᜔)

  1. (vulgar) Initialism of putang ina: FU