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tr.v. aus·formed, aus·form·ing, aus·forms
To subject (especially steel) to deformation, quenching, and tempering to improve its wear properties.
[aus(tenitic) + (de)form.]
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.
to temper or deform steel in order to make it stronger and more durable
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014