blackboard

noun

black·​board ˈblak-ˌbȯrd How to pronounce blackboard (audio)
: a hard smooth usually dark surface used especially in a classroom for writing or drawing on with chalk

Examples of blackboard in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The light fixtures were salvaged from a local school; a blackboard had been used to make tiles for the shower. Amanda Petrusich, New Yorker, 14 Apr. 2025 The current findings are between 2.8 and 4.2 sigma, yet each new round of data brings the DESI team closer to rewriting the understanding of dark energy and sending cosmologists back to their blackboards to invent new theories about the laws of the universe. Chase Hunter, Mercury News, 1 Apr. 2025 The only thing that seemed actively in use was the blackboard, dense with symbols and equations related to quantum measurement theory, sprawling with bra-ket notation. Sheon Han, Wired News, 27 Mar. 2025 The blackboard helps highlight the significance of knowing scientists as real people and the importance of studying the history of science, especially for younger scientists, Padilla said. Somayeh Malekian, ABC News, 14 Mar. 2025 See All Example Sentences for blackboard

Word History

First Known Use

1739, in the meaning defined above

Time Traveler
The first known use of blackboard was in 1739

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Cite this Entry

“Blackboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blackboard. Accessed 23 Apr. 2025.

Kids Definition

blackboard

noun
black·​board ˈblak-ˌbō(ə)rd How to pronounce blackboard (audio)
-ˌbȯ(ə)rd

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