anthracitous,a.|ˈænθrəsaɪtəs| [f. as anthracitism + -ous.] Containing, or characterized by, anthracite. 1860Edinb.Rev.No. 225. 91 In Brecknockshire there are only 78 square miles of coal..The whole is called anthracitous.1857Page Advd. Text-bk.Geol. xii. (1876) 204 Bands of anthracite and anthracitous shales.