noun Petrology. 1.a coarse-grained variety of basalt.
2.any of various other
igneous rocks, as diabase.
3.any basaltlike
igneous rock whose composition can be determined only by microscopic examination.
Origin: 1830–40; <
French dolérite <
Greek doler(
ós) deceitful (derivative of
dólos wile) +
French -ite -ite1 Related forms
00:10
Dole rite
is always a great word to know.
So is slumgullion. Does it mean:
So is quincunx. Does it mean:
So is interrobang. Does it mean: