dolerite
noun
dol·er·ite
ˈdä-lə-ˌrīt 
1
: any of various coarse basalts
2
chiefly British
: diabase sense 3
Examples of dolerite in a Sentence
Recent Examples on the Web
The smaller dolerite bluestones came from even farther away: the Preseli Hills in southwest Wales, 180 miles to the northwest.
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Hannah Edgar, ARTnews.com, 26 Feb. 2025
Tasman National Park, with its towering dolerite cliffs, and Cradle Mountain-Lake St Clair National Park, with its diverse hiking paths and mercurial weather, are standouts.
—Christopher Elliott, USA TODAY, 7 Apr. 2023
Stone 62 is one of only three bluestones at Stonehenge made of non-spotted dolerite, the type of stone used to build Waun Mawn.
—National Geographic, 19 July 2022
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
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Hannah Edgar, ARTnews.com, 26 Feb. 2025
Tasman National Park, with its towering dolerite cliffs, and Cradle Mountain-Lake St Clair National Park, with its diverse hiking paths and mercurial weather, are standouts.
—Christopher Elliott, USA TODAY, 7 Apr. 2023
Stone 62 is one of only three bluestones at Stonehenge made of non-spotted dolerite, the type of stone used to build Waun Mawn.
—National Geographic, 19 July 2022
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
Cite this Entry
“Dolerite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dolerite. Accessed 3 Nov. 2025.
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