D defs.my
Entry 2 senses Webster, 1913

Scoria

· Sco·ri·a · IPA /ˈskoɹ.i.ə/
01 n. The recrement of metals in fusion, or the slag rejected after the reduction of metallic ores; dross.
pl. Scoriae ((#))
  1. 1.
    The recrement of metals in fusion, or the slag rejected after the reduction of metallic ores; dross.
  2. 2.
    Cellular slaggy lava; volcanic cinders.