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Definition of Blackboard
1. Noun. Sheet of slate; for writing with chalk.
Definition of Blackboard
1. 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.
Definition of Blackboard
1. [n -S]
Medical Definition of Blackboard
1. 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. Source: Websters Dictionary (01 Mar 1998)