| Scoria 1. (n.) The recrement of metals in fusion, or the slag rejected after the reduction of metallic ores; dross. 2. (n.) Cellular slaggy lava; volcanic cinders. Thesaurus Entries aa, abyssal rock, alluvion, alluvium, ash, ashes, basalt, bedrock, block lava, brand, brash, breccia, calx, carbon, charcoal, cinder, clinker, coal, coke, conglomerate, coom, crag, deposition, deposits, diluvium, draff, dregs, dross, druid stone, ember, feces, festooned pahoehoe, froth, fume, gneiss, granite, grounds, igneous rock, lava, lees, limestone, living rock, loess, magma, mantlerock, metamorphic rock, monolith, moraine, offscum, pahoehoe, pillow lava, porphyry, precipitate, precipitation, pudding stone, reek, regolith, rock, ropy lava, rubble, rubblestone, sandstone, sarsen, schist, scree, scum, sediment, sedimentary rock, settlings, shelly pahoehoe, silt, sinter, slag, smoke, smudge, smut, soot, stone, sublimate, sullage, talus, tufa, tuff | ![]() |