PI

See also: Appendix:Variations of "pi"

Translingual

Symbol

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

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

Alternative forms

Proper noun

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 Philippine Islands.
    Synonyms: PH, PHL, PHI
    We're going back to the PI for a vacation this summer.

Adjective

PI (comparative more PI, superlative most PI)

  1. Initialism of politically incorrect (see PC).

Noun

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 principal investigator (“lead researcher on a grant-funded project”).
  5. Initialism of private investigator.
  6. Initialism of parallel import.
  7. (biochemistry) Abbreviation of phosphatidylinositol, a phospholipid component of eukaryotic cell membranes, also abbreviated in PtdIns.
  8. (pharmacology) Initialism of protease inhibitor.
  9. (organic chemistry) Initialism of polyimide.
  10. (medicine) Initialism of ponderal index.
  11. (surgery) Initialism of penile inversion.
  12. (electronics) Initialism of power integrity.
  13. Abbreviation of prohibited immigrant.
  14. (fandom slang) Initialism of pseudoincest.
  15. (automotive) Initialism of port injection (“fuel injection”).
    Hyponyms: MPI, TPI
    Coordinate terms: DI, EFI, FI, TBI, MPI
  16. (psychology) Initialism of paradoxical intention.
  17. (business) Initialism of pro forma invoice.
  18. (Philippines, politics) Initialism of people's initiative.
  19. (law) Initialism of preliminary injunction.
fuel injection

Anagrams

Portuguese

Proper noun

PI m

  1. abbreviation of Piauí: a state of Brazil

Spanish

Noun

PI f (uncountable)

  1. initialism of propiedad intelectual

Tagalog

Pronunciation

Interjection

PI (vulgar, minced oath)

  1. initialism of putang ina: FU

Anagrams

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