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Longman Dictionary English

From Longman Dictionary of Contemporary English
Related topics: Education
blackboardblack‧board /ˈblækbɔːd $ -bɔːrd/ ●●● S3 noun [countable] blackboard.jpg SEa board with a dark smooth surface, used in schools for writing on with chalk → whiteboard
Examples from the Corpus
blackboard• And through another he saw a classroom with lots of tiny desks and a blackboard at one end.• The screen becomes an individualised blackboard for each child.• Nailed to the wall was a large blackboard with a compartment for chalk attached to it.• Mathematicians scribble equations on blackboards and program supercomputers to make the billions of calculations needed to break a tough code.• Compatibility between components was ensured by using a structurally uniform global database, the blackboard.• Periodically he will explain a rule or illustrate its use on the blackboard.• Table 9. 1 illustrates how your blackboard might look.
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June 01, 2025

aquamarine
noun ˌækwəməˈriːn◂
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