Main definitions of BNF in English

: BNF1BNF2

BNF1

noun

Computing
  • Backus–Naur (formerly Backus normal) form.

Origin

1960s; earliest use found in Proceedings of the AFIPS Conference.

Main definitions of BNF in English

: BNF1BNF2

BNF2

noun

US
  • Big name fan, an enthusiast who is well known to other members of a fan community.

Origin

1950s.