blackboard(redirected from Blackboards)
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a hard or rigid surface made of a smooth usually dark substance, used for writing or drawing on with chalk, esp in teaching
A panel, usually black but sometimes colored, for writing on with chalk. Also known as chalkboard.
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).