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carboloy(kär`bəloi) [portmanteau word from carbon and alloy], an alloyalloy
[O. Fr.,=combine], substance with metallic properties that consists of a metal fused with one or more metals or nonmetals. Alloys may be a homogeneous solid solution, a heterogeneous mixture of tiny crystals, a true chemical compound, or a mixture of these.
..... Click the link for more information. containing cobalt, tungsten, and carbon. This alloy is extremely hard, harder than steel; it is used to cut steel, porcelain, quartz, and other materials. Its hardness is little affected by heat, and it retains a sharp cutting edge even at red heat.
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A hard alloy, containing carbon, tungsten, and cobalt, used for cutting tools and as an abrasive.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.