an especially hard, heat-resistant steel for use in lathe tools and for other applications involving high friction and wear.
Blue SteelRead more in this article about some frequently asked questions and fun facts related to our definitions.
Words Built For SpeedRead more in this article about some frequently asked questions and fun facts related to our definitions.
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Origin of high-speed steel
First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any of various steels that retain their hardness at high temperatures and are thus suitable for making tools used on lathes and other high-speed machines
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012