1
: any of various coarse basalts
2
chiefly British : diabase sense 3

Examples of dolerite in a Sentence

Recent Examples on the Web
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The smaller dolerite bluestones came from even farther away: the Preseli Hills in southwest Wales, 180 miles to the northwest. Hannah Edgar, ARTnews.com, 26 Feb. 2025 But the researchers only found the stony growths on the cave's ceiling, which is made of dolerite. Elizabeth Preston, Discover Magazine, 22 Aug. 2014

Word History

Etymology

French dolérite, from Greek doleros deceitful, from dolos deceit; from its being easily mistaken for diorite

First Known Use

1838, in the meaning defined at sense 1

Time Traveler
The first known use of dolerite was in 1838

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Cite this Entry

“Dolerite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dolerite. Accessed 5 Apr. 2025.

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