scoriaceousadj.
/skɔːrɪˈeɪʃəs/ Having the nature of scoria.
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the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > volcanic > lava > scoria
scorious1646
slaggy1688
scoriaceous1777
scoriform1794
scorified1815
scoriated1843
scoriaca1849
1777 Philos. Trans. 1776 (Royal Soc.) 66 527 Since it has no one character of scoriaceous matters melted by artificial fire.
1821 H. E. Lloyd tr. O. von Kotzebue Voy. Discov. South Sea & Beering's Straits III. 352 Scoriaceous Lava, resembling the dross of a forge.
1882 A. Geikie Text-bk. Geol. ii. ii. §3. 89 Portions..are called scoriaceous, this being the character of the rough clinker-like scoriæ of a recent lava stream.
This entry has not yet been fully updated (first published 1910; most recently modified version published online June 2018).
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adj.1777