- of, relating to, or like slag.
Origin of slaggy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for slaggy
Slaggy and scoriaceous phases are common, but probably represent only a small part of the different flows.
In a basal flow in Moraine Park, the slaggy and compact phases show differences in phenocrysts as well as in groundmass.
It was hard walking over the shingly, slaggy stones, but they made their way to the summit at last.A Desert Drama
A. Conan Doyle