Dolerite

//ˈdɑl.əˌɹaɪt// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A type of fine-grained basaltic rock. countable, uncountable

Etymology

From French dolérite, from Ancient Greek δολερός (dolerós, “deceitful, deceptive”), because it was easily confounded with diorite, + -ite.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.