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nounsheet of slate; for writing with chalk
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Definition that contains blackboard
- sponge erase with a sponge; as of words on a blackboard
- chalk a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces
- blackboard eraser an eraser that removes chalk marks from blackboard
- chalk talk a talk that uses a blackboard and chalk