corundum brick

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• Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …   Universalium

• silicon carbide — Chem. a very hard, insoluble, crystalline compound, SiC, used as an abrasive and as an electrical resistor in objects exposed to high temperatures. [1900 05] * * * ▪ chemical compound Introduction       exceedingly hard, synthetically produced… …   Universalium

• asphalt — Synonyms and related words: Formica, Masonite, Tarmac, Tarvia, alabaster, amphibole, antimony, apatite, aplite, arsenic, asbestos, azurite, bauxite, bitumen, bituminous macadam, blacktop, boron, brick, brimstone, bromine, brucite, calcite, canvas …   Moby Thesaurus