An igneous, crystalline in structure, consisting essentially of a triclinic feldspar and hornblende. It includes part of what was called greenstone.

Origin: Cf. F. Diorite. See Diorism.

(01 Mar 1998)

dioptric aberration, dioptrical, dioptrics, dioptry < Prev | Next > diorthosis, dioscin, dioscorea, diose

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