"Scoriae" is a word in ENGLISH

Scoria or vitrified incombustible matter, formed in a grate or furnace where anthracite coal in used; vitrified or burnt matter …

Anything shaped more or less like a mathematical cone; as, a volcanic cone, a collection of scoriae around the crater …

A volcanic rock, formed by the cementing together of sand, scoria, cinders, etc.

A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving …

Superfluous matter separated from that which is useful; dross; scoria; as, the recrement of ore.

The recrement of metals in fusion, or the slag rejected after the reduction of metallic ores; dross.

Cellular slaggy lava; volcanic cinders.

Of or pertaining to scoria; like scoria or the recrement of metals; partaking of the nature of scoria.

In the form of scoria.

To reduce to scoria or slag; specifically, in assaying, to fuse so as to separate the gangue and earthy material, …

The extraneous matter or impurities which rise to the surface of liquids in boiling or fermentation, or which form on …

The process of expelling scoriae and other impurities by hammering and squeezing, in the production of wrought iron.

The scoria of a volcano.

The scoria on the surface of molten metal in the ladle.

A friable volcanic rock or conglomerate, formed of consolidated cinders, or scoria.