noun
definition
The slag or dross that remains after the smelting of metal from an ore.
definition
Rough masses of rock formed by solidified lava, and which can be found around a volcano's crater.
Examples of scoria in a Sentence
Between 1849 and 1850 he published his Scoria degli Italiani (Turin, 1855) and many other works.
The earth surface above these natural furnaces has been hardened, cracked and sometimes melted into a reddish slag, called scoria, which, on account of its resemblance to lava, has given rise to an incorrect impression that the region was once the centre of volcanic disturbances.
Dark shading around Sandey indicates approximate lakebed extent of the scoria cone.
According to an account of the natives, a violent eruption of Kilauea occurred in 1789, or about that time, and deposits of volcanic sand, large stones, sponge-like scoria (pumice) and ashes for miles around are evidence of such an eruption.