scoria

1. 1.

   the scum formed by oxidation at the surface of molten metals

   Synonymsslagdross

   Broaderscum

   Narrowerbasic slag

Other forms of scoria

plural

scoriae

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about scoria

What does scoria mean?

scoria means "the scum formed by oxidation at the surface of molten metals".

How many syllables are in scoria?

scoria has 3 syllables: sco-ri-a. The stress falls on "sco".

What is another word for scoria?

Close synonyms include slag, dross. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is scoria a common word?

scoria is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.