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Definition of blackboard

blackboard

/ˈblæk.bɔːrd/
black · board

Plural:blackboards
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blackboard Lexical Profile

blackboard Game Scores & Validity

• noun

1

A large board with a smooth, typically dark surface, attached to a wall or supported on an easel and used by teachers in schools for writing on with chalk.

Example

"The math teacher wrote a complex algebraic equation across the blackboard for the students to solve."


2

In artificial intelligence and software architecture, a shared repository or memory area where different independent software modules read and write data to solve a problem collaboratively.

Example

"Each knowledge source in the expert system monitors the central blackboard and contributes partial solutions when relevant data appears."

• Rhymes for blackboard

Word Origin & Etymology

First recorded in the mid-18th century, formed as a compound of the Old English words 'blæc' (black) and 'bord' (board, plank), originally referring to a wooden board painted black for writing with chalk.

Cite this Entry


Wordmom. (2026). Definition of Blackboard. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/blackboard
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