American Heritage® Dictionary of the English Language, Fourth Edition
- n. Geology Porous cinderlike fragments of dark lava. Also called cinders, slag.
- n. Metallurgy The refuse of a smelted metal or ore; slag. Also called cinder.
Century Dictionary and Cyclopedia
- n. Dross; cinder; slag: a word of rather variable and indefinite meaning, generally used in the plural, and with reference to volcanic rocks. See scoriaceous.
- n. A genus of geometrid moths, containing such as the black-veined moth, S. dealbata.
GNU Webster's 1913
- n. The recrement of metals in fusion, or the slag rejected after the reduction of metallic ores; dross.
- n. Cellular slaggy lava; volcanic cinders.
- n. the scum formed by oxidation at the surface of molten metals
- From Latin scōria, from Ancient Greek σκωρία, from σκῶρ ("dung"). (Wiktionary)
- Middle English, dross, from Latin scōria, from Greek skōriā, from skōr, excrement, dung; see sker-3 in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
“From the observatory, where His Majesty's faithful servant still remains, come telegrams that the great pebbles -- what we call scoria -- have ruined”
“Porcellanite (also called scoria or clinker) forms from the natural burning of coal beds; it caps the hills with distinctive red-orange rock.”
“There are tracts of these which are in part or wholly of volcanic origin; then the hills are called scoria buttes.”
“The eruption opened a 2,000ft fissure, and also produced lava fountains that built several hills of bubble-filled lava rocks, called scoria, along the vent.”
“But I was on a bladed road which the gas companies have recently covered with what they call "scoria".”
“No, what the gas companies call "scoria" is basically crushed rock that is not crushed as fine as gravel.”
“In the majority of cases the lavas consist of a mass of crystals floating in a liquid magma, and the distension of such a mass by the escape of steam from its midst gives rise to the formation of the rough cindery-looking material to which the name of "scoria" is applied.”
“Eroded buttes, Hell Creek badlands, scoria (burnt coal) mounds, and salt pans punctuate a thick mat of shortgrass prairie and dusky gray sagebrush.”
“It was a shield volcano of thin basaltic flows interleaved with ash and scoria overlaid in places by later volcanic domes, plugs and dykes.”
“The interstratified basalt lava, scoria and pyroclastic rocks yield sand, clayey soils in depressions, on plains and on outward draining slopes and a sterile cemented hardpan surface where hydrated.”
These user-created lists contain the word ‘scoria’.
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Looking for tweets for scoria.