Learn how to say Dioritic correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word diorite:
[mass noun] Geology
a speckled, coarse-grained igneous rock consisting essentially of plagioclase, feldspar, and hornblende or other mafic minerals.
early 19th century: coined in French, formed irregularly from Greek diorizein ‘distinguish’ + -ite1