cinder block

noun

: a hollow rectangular building block made of cement and coal cinders

Examples of cinder block 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.
Parent screams echoed off cinder block walls. Alex Zietlow, Charlotte Observer, 2 Jan. 2026 Vandals got into the day care through cinder blocks, according to the day care. Frankie McLister, CBS News, 31 Dec. 2025 An oscillating fan hung on a cinder block wall in the one of the rooms caused an electrical fire, Beal said. Pj Green, Kansas City Star, 12 Dec. 2025 Finished with cinder block and built to ward off fire, the library is listed in the National Register of Historic Places. Kalpana Mohan, Mercury News, 3 Dec. 2025 See All Example Sentences for cinder block

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of cinder block was in 1922

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Cite this Entry

“Cinder block.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cinder%20block. Accessed 10 Jan. 2026.

Kids Definition

cinder block

noun
: a building block made of cement and coal cinders
Last Updated: - Updated example sentences
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