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dolerite Syllabification: dol·er·ite
Pronunciation: /ˈdäləˌrīt/

Definition of dolerite in English:


A dark, medium-grained igneous rock, typically with ophitic texture, containing plagioclase, pyroxene, and olivine. It typically occurs in dikes and sills. Also called diabase.
Example sentences
  • These supracrustal rocks are intruded by dolerite dykes that have been deformed and metamorphosed together with the country rock.
  • We reached Fault Bluff, a dark angular mountain with faulted dolerite rock, around 10: 00 P.M. that night.
  • Neither had iron tools and instead used such hard stones as flint, jade, dolerite, basalt, and serpentine to make axes, knives, and chisels.


Mid 19th century: from French dolérite, from Greek doleros 'deceptive' (because it is difficult to distinguish from diorite).

Words that rhyme with dolerite

anchorite • Hitlerite
Definition of dolerite in:
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