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BLACKBOARD

 - 2 dictionary results

black⋅board

  [blak-bawrd, -bohrd]
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–noun
a sheet of smooth, hard material, esp. dark slate, used in schools, lecture rooms, etc., for writing or drawing on with chalk.
Also called chalkboard.
Compare greenboard.

Origin:
1815–25; black + board
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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black·board   (blāk'bôrd', -bōrd')   
n.  A smooth, hard, dark-colored panel for writing on with chalk.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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