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We found 54 dictionaries with English definitions that include the word FIR:
Click on the first link on a line below to go directly to a page where "FIR" is defined.

General (34 matching dictionaries)

1. fir: Merriam-Webster.com [home, info]
2. fir: Oxford Learner's Dictionaries [home, info]
3. fir: American Heritage Dictionary of the English Language [home, info]
4. fir: Collins English Dictionary [home, info]
5. fir: Vocabulary.com [home, info]
6. fir: Macmillan Dictionary [home, info]
7. Fir, fir: Wordnik [home, info]
8. fir: Cambridge Advanced Learner's Dictionary [home, info]
9. FIR, fir: Wiktionary [home, info]
10. fir: Webster's New World College Dictionary, 4th Ed. [home, info]
11. fir: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. fir: Infoplease Dictionary [home, info]
13. FIR: Dictionary.com [home, info]
14. fir: Online Etymology Dictionary [home, info]
15. fir: UltraLingua English Dictionary [home, info]
16. fir: Cambridge Dictionary of American English [home, info]
17. F.I.R, F.I.R. (TV series), F.I.R. (album), F.I.R. (film), F.I.R (SAB TV), FIR (disambiguation), FIR, Fir: Wikipedia, the Free Encyclopedia [home, info]
18. Fir: Online Plain Text English Dictionary [home, info]
19. fir: Webster's Revised Unabridged, 1913 Edition [home, info]
20. fir: Rhymezone [home, info]
21. fir: AllWords.com Multi-Lingual Dictionary [home, info]
22. fir: Webster's 1828 Dictionary [home, info]
23. FIR: Stammtisch Beau Fleuve Acronyms [home, info]
24. fir: All About Homonyms [home, info]
25. FIR: Turkish Acronyms to live by [home, info]
26. Fir: 1911 edition of the Encyclopedia Britannica [home, info]
27. fir: Free Dictionary [home, info]
28. fir: Mnemonic Dictionary [home, info]
29. fir: WordNet 1.7 Vocabulary Helper [home, info]
30. fir: LookWAYup Translating Dictionary/Thesaurus [home, info]
31. fir: Dictionary/thesaurus [home, info]
32. fir: Wikimedia Commons US English Pronunciations [home, info]

Business (2 matching dictionaries)

33. FIR: Deardorff's Glossary of International Economics [home, info]
34. FIR: Comprehensive Financial [home, info]

Computing (3 matching dictionaries)

35. FIR: Free On-line Dictionary of Computing [home, info]
36. FIR: BABEL: Computer Oriented Abbreviations and Acronyms [home, info]
37. fir: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

38. FIR, fir: online medical dictionary [home, info]
39. Fir: Allergy Glossary [home, info]

Miscellaneous (5 matching dictionaries)

40. FIR: Navajo Code Talkers' Dictionary [home, info]
41. fir: Sound-Alike Words [home, info]
42. FIR: Acronym Finder [home, info]
43. FIR: Three Letter Words with definitions [home, info]
44. FIR: AbbreviationZ [home, info]

Religion (2 matching dictionaries)

45. Fir: Easton Bible [home, info]
46. Fir: Smith's Bible Dictionary [home, info]

Science (1 matching dictionary)

47. FIR: Extragalactic Astronomy [home, info]

Slang (2 matching dictionaries)

48. Fir: Street Terms: Drugs and the Drug Trade [home, info]
49. FIR, fir: Urban Dictionary [home, info]

Tech (3 matching dictionaries)

50. FIR: DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations [home, info]
51. FIR: Sandahl, Middle English Sea Terms [home, info]
52. FIR: RF Terms Glossary [home, info]

(Note: See firs for more definitions.)

Quick definitions from WordNet (fir) ▸ noun:  any of various evergreen trees of the genus Abies; chiefly of upland areas ▸ noun:  nonresinous wood of a fir tree ▸ Also see firs ▸ Word origin ▸ Words similar to FIR ▸ Usage examples for FIR ▸ Idioms related to FIR (New!) ▸ Popular adjectives describing FIR ▸ Words that often appear near FIR ▸ Rhymes of FIR ▸ Invented words related to FIR