The Collaborative International Dictionary
Scoriaceous
Scoriaceous \Sco`ri*a"ceous\, a. [Cf. F. scoriac['e].] Of or pertaining to scoria; like scoria or the recrement of metals; partaking of the nature of scoria.
Wiktionary
scoriaceous
a. of, relating to, or producing scoria
Usage examples of "scoriaceous".
It is interesting to trace the changes produced by the heat of the overlying lava, on the friable mass, which in parts has been converted into a crystalline limestone, and in other parts into a compact spotted stone Where the lime has been caught up by the scoriaceous fragments of the lower surface of the stream, it is converted into groups of beautifully radiated fibres resembling arragonite.