Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “BC”

BC

adverb     /ˌbiːˈsiː/
abbreviation for Before Christ: used in the Christian calendar when referring to a year before Jesus Christ was born: The Battle of Actium took place in 31 BC. → Compare AD adverb, BCEYears and yearly
(Definition of BC adverb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of BC

Word of the Day

navigate

to direct the way that a ship, aircraft, etc. will travel, or to find a direction across, along, or over an area of water or land, often by using a map

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More