† ˈscorium Obs.
Erroneously formed sing. to scoria, mistaken for a neut. pl.
| 1681 Grew Musæum iii. §ii. i. 325 The Scorium of the Freybergick S[ilver] Ore. 1705 Addison Italy, Antiq. near Naples 237 As we see the Scorium of Metals always gathers into a solid Piece. |