Home › Words › F › ferroboronferroboronferroboron · noun — an alloy of iron and boron used in the production of specialist steels.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, ferroboron ranks #30,031 of 43,002 for Qualifying.EtymologyFrom ferro- + boron.nounAn alloy of iron and boron used in the production of specialist steelsDefinitions & examples from Wiktionary (CC BY-SA 3.0).