scoria
4 synonyms for scoria, grouped by meaning and by how common each one is.
Noun — The waste material left behind when metal is smelted from ore.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Synonyms by Meaning
2. noun
Chunks of rough, hardened lava found near a volcano's crater.
“To the south lay broken shapes of scoria in a lava bed as far as the eye could see.”
Etymology
Inherited from Middle English, going back to Latin scōria, from Ancient Greek σκωρία (skōría), from σκῶρ (skôr, "dung").
Full origin of scoria →