PI

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English[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. (colloquial, Philippines) Initialism of Philippine Islands.
    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. (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. (electronics) Initialism of power integrity.
  12. Abbreviation of prohibited immigrant.
  13. (fan fiction category) Initialism of pseudoincest.
  14. (automotive) Initialism of port injection. (fuel injection)

Related terms[edit]

Anagrams[edit]


Portuguese[edit]

Proper noun[edit]

PI

  1. Abbreviation of Piauí. (Brazilian state)

Tagalog[edit]

Etymology[edit]

Initialism of putang ina

Noun[edit]

PI

  1. (vulgar) prostitute mother
  2. (colloquial, vulgar) a very contemptible person