scoriousadj.
/ˈskɔːrɪəs/ Of the nature of scoria; abounding in 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
1646 Sir T. Browne Pseudodoxia Epidemica ii. ii. 59 By the fire they omit..many drossie and scorious parts. View more context for this quotation
1677 R. Boyle in Philos. Trans. 1676 (Royal Soc.) 11 808 The other part of the Cone..is of a more scorious Nature.
1816 P. Cleaveland Elem. Treat. Mineral. & Geol. 256 In porous or scorious lavas, the crystals are more friable and opaque, than those in more compact lavas.
1852 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. I. ii. 73 These débris form a wall of scorious rock.
1862 Mrs. J. B. Speid Our Last Years in India 34 Aden—shrubless, flowerless, dusky, grim, and scorious.
This entry has not yet been fully updated (first published 1910; most recently modified version published online September 2018).
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adj.1646