BC

from WordNet (r) 3.0 (2006)

BC
    adv 1: before the Christian era; used following dates before the
           supposed year Christ was born; "in 200 BC" [syn: {BC},
           {B.C.}, {before Christ}]

from The Collaborative International Dictionary of English v.0.48

BC \BC\, B C \B. C.\n.
   before Christ; used in reckoning dates before the supposed
   year Christ was born, i.e. 1 a. d..
   [WordNet 1.5]

from The Free On-line Dictionary of Computing (8 July 2008)

BC

   An {arbitrary precision} numeric processing language with
   {C}-like {syntax}.  Traditionally implemented as a front-end
   to {DC}.  There is a {GNU} version called {GNU BC}.

   {Unix manual page}: bc(1).

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