granodiorite Syllabification: (gran·o·di·or·ite)Pronunciation: /ˌgranəˈdīəˌrīt/Definition of granodiorite noun Geology a coarse-grained, plutonic rock containing quartz and plagioclase, between granite and diorite in composition. Origin: late 19th century: from granite + dioritegranodiorite in other Oxford dictionaries Definition of granodiorite in the British & World English dictionary
