from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. radio frequency
  • abbr. right field
  • abbr. right fielder

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • Radio Frequency
  • Rheumatoid Factor
  • ratfuck A practical joke, especially a clever one. (Military and engineering slang)
  • Russian Federation
  • right field, right fielder
  • reconnaissance fighter; an unarmed fighter modified for photo-reconnaissance (prefix)


Combination of prefix F and prefix modifier R (Wiktionary)



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