Dolerite
//ˈdɑl.əˌɹaɪt// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A type of fine-grained basaltic rock. countable, uncountable
Synonyms
All synonymsEtymology
From French dolérite, from Ancient Greek δολερός (dolerós, “deceitful, deceptive”), because it was easily confounded with diorite, + -ite.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.