anthracitization|ˌænθrəsaɪtaɪˈzeɪʃən| [f. anthracite + -ization.] The process of becoming changed from bituminous coal into anthracite. 1903Progr. Geol.Surv.U.K. 1902, 49 An investigation of the anthracitisation of the coals.Ibid. 190 The anthracitisation is more rapid in a north and south direction.