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• bc
  bc

  abbreviation

  basso continuo.
• BC
  BC

  abbreviation

  buoyancy compensator.
• B/C
  B/C

  bills for collection.
• b.c.
  b.c.

  abbreviation

  before Christ (used in indicating dates).
• B.C.
  B.C.

  abbreviation

  Bachelor of Chemistry.

bc

¹ American  

abbreviation

1. Music. basso continuo.

2. blind copy: used as a notation on the copy of a letter or other document sent to a third person without the addressee's knowledge. Also

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BC ² American  

abbreviation

1. Scuba Diving. buoyancy compensator.

2. British Columbia, Canada (approved for postal use).

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B/C ³ American  

1. bills for collection.

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b.c. ⁴ American  

Or B.C.

abbreviation

1. before Christ (used in indicating dates).

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B.C. ⁵ American  

abbreviation

1. Bachelor of Chemistry.

2. Bachelor of Commerce.

3. bass clarinet.

4. battery commander.

5. British Columbia.

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BC British  

abbreviation

1. Also: B.C..  (indicating years numbered back from the supposed year of the birth of Christ) before Christ Compare AD

   in 54 bc Caesar came

2. British Columbia

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Usage

The abbreviation b.c. “before Christ” is always placed after a date or century: Cleopatra lived from 69 to 30 b.c. The war took place in the first century b.c. See also a.d. ¹

Example Sentences

“There needs to be an age limit on congressional positions bc this was so embarrassing,” one user wrote in the caption of a video posted on Friday.

From New York Times • Mar. 28, 2023

Allen said: When LT blocked him, not Sweat, he knew to stay outside bc Sweat would go inside.

From Washington Post • Nov. 22, 2022

They didn't want people to see my tweets and support me more & more bc they want to control information.

From Salon • Nov. 6, 2022

She built different than me bc ain't no way I'm letting anyone sing melody to my own song making me do harmony.

From Los Angeles Times • Oct. 12, 2022

Psalms sung by the priests of King David, who united the kingdoms of Israel and Judaea in 1003 bc, are riven through with references to instruments and to singing.

From "The Story of Music" by Howard Goodall