from the GNU version of the Collaborative International Dictionary of English
- adj. a process by which melted cast iron is converted into steel by the addition of wrought iron, or iron ore and manganese, and by exposure to heat in an open-hearth furnace; -- also called the Siemens-Martin process, from the inventors.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a process for making steel using an open-hearth furnace
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