Definition from Wiktionary, the free dictionary
BC or B.C.
- Before Christ. Often written in small caps.
- The Han Dynasty ruled China from 206 BC to AD 220.
- British Columbia, a Canadian province.
- Baja California, a Mexican state.
- birth control
- The Chicago Manual of Style as well as most house styles require placing the AD before the number of the year and BC after, although in casual use either can be found following the year.