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