granodioritePronunciation: /ˌgranə(ʊ)ˈdʌɪərʌɪt/Definition of granodiorite noun [mass 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 US English dictionary
