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crucible steel

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crucible steel

–noun
steel made in a crucible, esp. a high-grade steel prepared by melting selected materials.

Origin:
1875–80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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crucible steel  
n.  See drill steel.
drill steel  
n.  A high-grade steel used in tools and dies that is made by fusing low-carbon steel with charcoal or cast iron. Formerly prepared in a graphite crucible, it is now produced in an electric furnace. Also called crucible steel.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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