from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To harden the surface of (a metal).

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. to harden (steel) by adding carbon.

from The Century Dictionary and Cyclopedia

  • To make hard on the surface; harden a thin layer on the face of (a piece of metal); subject to a face-hardening process.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. harden steel by adding carbon


Sorry, no etymologies found.


Sorry, no example sentences found.


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