scorie

Etymology
.

Noun

 * 1) scoria; dregs

Etymology
,, from. Compare the inherited doublet (now a regionalism), as well as the more common, from Greek.

Noun

 * 1) slag, dross
 * 2) scoria
 * 3) layer of black oxide formed on the surface of steel that has been exposed to high temperatures
 * 1) layer of black oxide formed on the surface of steel that has been exposed to high temperatures
 * 1) layer of black oxide formed on the surface of steel that has been exposed to high temperatures