'BC' or 'B.C.' may stand for:
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Before Christ, also sometimes called BCE (Before the Common Era), the years prior to CE (the
Common Era)
Places:
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British Columbia, a Canadian province
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Baja California, a state of Mexico
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Bala Cynwyd, Pennsylvania, United States
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Botswana, country code BC (from the former name "Bechuanaland"), used by the World Meteorological Organization and formerly by NATO
Colleges:
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Barnard College, a women's liberal arts college, affiliated with Columbia University, in New York, New York
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Beloit College, a small liberal arts college in Beloit, Wisconsin
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Benedictine College, an institution of higher education in Atchison, Kansas
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Blinn College, a junior college in Brenham, Texas
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Boston College, a university in Chestnut Hill, Massachusetts
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Bridgewater College, a college located in Bridgewater, Virginia
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Brooklyn College, a college located in Brooklyn, New York
Businesses and organizations:
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BC Recordings, a record label
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Blue Cross, a trade association of United States health insurance companies
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Boise Cascade, a manufacturer of paper and pulp products
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Brasseries du Cameroun, a brewery in Cameroon
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Brethren Christian Junior/Senior High School, a Christian High School in Huntington Beach, California
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British Council, a non-departmental public body and registered charity for cultural relations in the United Kingdom
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Brooklyn Cyclones, a minor league professional baseball club
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Brunswick Corporation, stock symbol for a consumer sporting goods manufacturer traded on the New York Stock Exchange
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Skymark Airlines, IATA airline code
Other:
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Backward compatibility, compatibility of new product with old product
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Ballistic coefficient, a measure of air drag on a projectile, the ratio of its sectional density to its coefficient of form
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Base curve radius, a parameter of a contact lens
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Basso Continuo, an accompaniment used in almost all genres of music in the Baroque period
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Bayonet cap, a fastening mechanism
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''B.C.'' (comic strip), a syndicated comic strip originated by Johnny Hart
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bc (Unix), "basic calculator" Unix program
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''BC'' (video game), a cancelled computer game by Peter Molyneux
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BC class, a steam locomotive classification used by the New Zealand Railways Department
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BC Powder, brand name of pain reliever
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BC Wave, a Canadian rugby union team of the RCSL
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Birth control
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Bliss bibliographic classification, a library cataloguing system
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Body Count, rapper Ice-T's metal band
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BookCrossing, a website which encourages leaving books in public places to be found by others
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Border Crossings, a musical radio show that airs on Voice of America
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Boundary condition, a mathematical restraint on partial differential equations
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Buoyancy compensator, a piece of scuba diving equipment
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Burning Crusade, an expansion to the online role-playing game World of Warcraft
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The Breakfast Club, a teen-oriented dramedy released in the year 1985
★ British Cycle, the English/ISO system thread designator common in bicycle
bottom brackets
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%BC is the URL encoded version of the
quarter(¼) character