petroleum coke

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petroleum coke

n.
Coke that is produced as a byproduct of petroleum refining, used as an industrial fuel and in the manufacture of iron and steel, anodes for aluminum smelters, and other products. Also called petcoke.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.