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We found 19 dictionaries with English definitions that include the word pir:
Click on the first link on a line below to go directly to a page where "pir" is defined.

General (10 matching dictionaries)

1. pir: Merriam-Webster.com [home, info]
2. PIR, pir: Oxford Learner's Dictionaries [home, info]
3. Pir: Collins English Dictionary [home, info]
4. Pir, pir: Wordnik [home, info]
5. PIR: Wiktionary [home, info]
6. pir: Infoplease Dictionary [home, info]
7. pir: Dictionary.com [home, info]
8. PIR (gene), PIR, Pir (Alevism), Pir (Sufism), Pir (Zoroastrianism), Pir: Wikipedia, the Free Encyclopedia [home, info]
9. PIR: Stammtisch Beau Fleuve Acronyms [home, info]
10. Pir: Dictionary/thesaurus [home, info]

Computing (2 matching dictionaries)

11. PIR: Netlingo [home, info]
12. PIR, Pir (disambiguation): Encyclopedia [home, info]

Medicine (1 matching dictionary)

13. PIR, Pir (disambiguation): Medical dictionary [home, info]

Miscellaneous (3 matching dictionaries)

14. PIR: Acronym Finder [home, info]
15. PIR: Three Letter Words with definitions [home, info]
16. PIR: AbbreviationZ [home, info]

Slang (1 matching dictionary)

17. pir: Urban Dictionary [home, info]

Tech (2 matching dictionaries)

18. PIR: Locksmith Dictionary [home, info]
19. PIR: DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations [home, info]

Quick definitions from Wiktionary (pir) ▸ noun:  (countable, aviation, travel) Initialism of property irregularity report: a form to be filled in when baggage is lost by an airline. [(aviation, travel) an official form to be filled out if checked baggage is lost or damaged by an airline.] ▸ noun:  (uncountable) Initialism of passive infrared. ▸ noun:  (chemistry) Abbreviation of polyisocyanurate. [(organic chemistry) A form of polyurethane polymer, based on cyanuric acid, formed from a polyhydroxy alcohol and a diisocyanate; it forms foams that are used for thermal insulation] ▸ Words similar to pir ▸ Usage examples for pir ▸ Idioms related to pir (New!) ▸ Popular adjectives describing pir ▸ Words that often appear near pir ▸ Rhymes of pir ▸ Invented words related to pir