American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Designating or being a reverberatory furnace used in the production of high-quality steel.
- adj. Of or relating to the steel produced in such a furnace.
Century Dictionary and Cyclopedia
- Having a hearth which is shallow or open to inspection and to access of the workmen: said of steel-furnaces for the Siemens-Martin process.
- Made in an open-hearth furnace: said of steel. See steel.
- adj. Describing a reverberatory furnace used to make high-quality steel
- adj. Designating the steel so produced
- adj. of or relating to or produced by the open-hearth process
“KIDS DAY IN THE KOUNTRY Patuxent River Park staff lead craft activities, hayrides, pony rides, open-hearth cooking and blacksmith demonstrations and more. 10 a. m.-3 p.m. Patuxent River Park, Jug Bay Natural Area, 16000 Croom Airport Rd.,”
“The manufacture of steel was revolutionized by the Bessemer open-hearth and basic inventions.”
“Twenty-ton electronic locomotives hauled coal or iron, blasted from their ancient beds, to the sweltering mills, where hundred-foot-high blast furnaces coughed smoke and flame and sprawling open-hearth ovens converted molten iron to steel.”
“Prince William area residents are invited to learn the basic skills of open-hearth cooking at the Brentsville Courthouse Historic Centre this month.”
“Simultaneously, he adopted the new Siemens open-hearth furnace in his steel works.”
“The old open-hearth behemoths are gone; the cleared land along the rivers is now home to startups in computer systems and software and metals fabrication.”
“Even into the '60s and' 70s, the sky on cloud-covered nights glowed orange, reflecting the pulsing fires of open-hearth furnaces along the rivers below.”
“The old industrial-process technologies of the sort that characterized the manufacturing economy—the open-hearth process for steelmaking, the cracking process for refining crude oil—were indeed for the most part fixed.”
“Fiedler 1954b, 1955, 1959 obtained similar findings for B-29 bomber crews, tank crews, and groups in open-hearth steel shops.”
“For that matter, if you pooled the obligations of every employer in the country, no company would go bankrupt just because it happened to employ older people, or it happened to have been around for a while, or it happened to have made the transformation from open-hearth furnaces and ingot-making to basic oxygen furnaces and continuous casting.”
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