say it: bee-SEE
bc is an adverb meaning "before the Christian era; used following dates before the supposed year Christ was born". It carries one recorded sense.
before the Christian era; used following dates before the supposed year Christ was born
“in 200 BC”
Definitions, synonyms and semantic relations for bc come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.