See Also: diorite(medicine)
diorite(dictionary)
diorite(encyclopedia)

diorite (iou)



diorite noun. E19.
[French, irreg. from Greek diorizein distinguish, formed as DI-3 + orizein limit: see -ITE1.]
Geology. Any of a class of coarse-grained intermediate plutonic rocks consisting essentially of plagioclase feldspar and hornblende or other mafic minerals.
dioritic adjective M19.