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more about blackboard
blackboard |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Blackboard \Black"board`\ (-b[=o]rd`), n. A broad board painted black, or any black surface on which writing, drawing, or the working of mathematical problems can be done with chalk or crayons. It is much used in schools. From WordNet r 1.6 [wn]: blackboard n : sheet of slate; for writing with chalk [syn: {chalkboard}]
more about blackboard
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