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dolerite

noun
dol·​er·​ite | \ ˈdä-lə-ˌrīt How to pronounce dolerite (audio) \

Definition of dolerite

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

Other Words from dolerite

doleritic \ ˌdä-​lə-​ˈri-​tik How to pronounce doleritic (audio) \ adjective

First Known Use of dolerite

1838, in the meaning defined at sense 1

History and Etymology for dolerite

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

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