Definition of B.C.E. abbreviation from the Oxford Advanced American Dictionary
B.C.E. abbreviation (also BCE)
/ˌbi si ˈi/
before the Common Era (before the birth of Christ, when the Christian calendar starts counting years. B.C.E. can be used to give dates in the same way as B.C. )in (the year) 2,000 B.C.E.the third century B.C.E. compare A.D., B.C., C.E.