noun (plural ~e) see: scatology Date: 14th century the refuse from melting of metals or reduction of ores ; slag , rough vesicular cindery lava, ~ceous adjective
SCORIA
Meaning of SCORIA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012