self-hardening love


from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of or relating to materials, such as certain steels, that harden without special treatment.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Metal.) Designating, or pert. to, any of various steels that harden when heated to above a red heat and cooled in air, usually in a blast of cold air with moderate rapidity, without quenching. Such steels are alloys of iron and carbon with manganese, tungsten and manganese, chromium, molybdenum and manganese, etc. They are chiefly used as high-speed steels.


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