G5237100 (grăn′ə-dī′ə-rīt′)n. A coarse-grained igneous rock consisting primarily of quartz, plagioclase feldspar, and potassium feldspar, and also containing biotite, hornblende, or pyroxene.gran′o·di′o·rit′ic(-rĭt′ĭk) adj.
granodioritic
(ˌɡrænəʊˌdaɪəˈrɪtɪk) adj (Geological Science) relating to granodiorite