dioriticadj.
/dʌɪɒˈrɪtɪk/ Of the nature of diorite; containing diorite.
ΚΠ
1847 in J. Craig New Universal Dict.
1853 E. K. Kane U.S. Grinnell Exped. vii. 55 A similar range..on the Atlantic side,..evidently a continuation of the same dioritic series.
1863 J. D. Dana Man. Geol. iii. 78 Dioritic Schist.
This entry has not yet been fully updated (first published 1896; most recently modified version published online September 2020).
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adj.1847