What is the definition of
scoria
1.
[ noun ]
the scum formed by oxidation at the surface of molten metals
Synonyms:
dross
slag
Related terms:
scum
basic_slag
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Similar spelling:
Schor
sciara
Schorr
scry
scar
screw
scree
scour
score
Schur
Scher
scary
scare
scurry
screwy
scarey