BNF

BNF (uncountable)

1. (computer science) Initialism of Backus-Naur form.

   Could we write BNF for this instead of trying to describe it in text?

2. (computer science, obsolete) Initialism of Backus normal form.

• ABNF

BNF (plural BNFs)

1. (fandom slang) Initialism of Big Name Fan, a famous member of fandom; a celebrity fan.
   • 1950 October, Lee Hoffman, “Chaos”, in Quandry‎^[1], archived from the original on 7 June 2011, page 5:

     COMING NEXT ISH: A department devoted to the BNF of tomorrow. 'Twill be the neofan of today who is the Tucker or Laney of tomorrow. So QUANDRY, the BNZ of tomorrow, will bring you biografies^[sic] of lesser known fen.

• BNFdom

• Jeff Prucher, editor (2007), “BNF”, in Brave New Words: The Oxford Dictionary of Science Fiction, Oxford, Oxfordshire, New York, N.Y.: Oxford University Press, →ISBN, page 17.
• Jesse Sheidlower, editor (2001–2025), “BNF n.”, in Historical Dictionary of Science Fiction.

• BFN

BNF f

1. initialism of Bibliothèque nationale de France, the national library of France.

   Alternative form: BnF