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blackboard

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.02 sec.
blackboard
(1) See Blackboard Learning System.

(2) The traditional classroom presentation board that is written on with chalk and erased with a felt pad. Although originally black, "white" boards and colored chalks are also used. Collaborative blackboards on the computer are called "whiteboards," because screen backgrounds are typically white (see whiteboard).
blackboard
a hard or rigid surface made of a smooth usually dark substance, used for writing or drawing on with chalk, esp in teaching
blackboard [′blak‚bȯrd]
(materials)
A panel, usually black but sometimes colored, for writing on with chalk. Also known as chalkboard.
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