from The Century Dictionary.

  • noun In metallurgy, a compound of iron with boron, iron boride, intended for use in ascertaining the modifying effect of boron upon steel.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An alloy of iron and boron used in the production of specialist steels


Sorry, no etymologies found.


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  • It has been used in making very pure copper castings for electrical purposes, in aluminum bronzes, and in hardening aluminum castings; and an alloy, ferroboron, has been shown experimentally to act on steel somewhat like ferrovanadium.

    The Economic Aspect of Geology 1915


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