Definition of "silicon carbide" []

• A bluish-black crystalline compound, SiC, one of the hardest known substances, used as an abrasive and heat-refractory material and in single crystals as semiconductors, especially in high-temperature applications. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.