puddling
pud.dling \'p*d-lin, -*l-in\ n : the process of converting pig iron into wrought iron or rarely steel by subjecting it to heat and frequently stirring in a furnace in the presence of oxidizing substances
pud.dling \'p*d-lin, -*l-in\ n : the process of converting pig iron into wrought iron or rarely steel by subjecting it to heat and frequently stirring in a furnace in the presence of oxidizing substances