open-hearth process: Meaning and Definition of

o'pen-hearth' proc"ess

Pronunciation: [key]
  1. a process of steelmaking in which the charge is laid in a furnace on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.