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BNC: 11944 COCA: 13322

blackboard

1 ENTRIES FOUND:
blackboard /ˈblækˌboɚd/ noun
plural blackboards
blackboard
/ˈblækˌboɚd/
noun
plural blackboards
Learner's definition of BLACKBOARD
[count]
: a smooth, dark surface that is used for writing on with chalk in a classroom黑板
called also (chiefly US) chalkboard

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