See also: pir and pîr

EnglishEdit

NounEdit

PIR (plural PIRs)

  1. (countable, aviation, travel) Initialism of property irregularity report: a form to be filled in when baggage is lost by an airline.
  2. (uncountable) Initialism of passive infrared.
  3. (chemistry) Abbreviation of polyisocyanurate.

AnagramsEdit