deadmelt noun 1verb 1forms 3 noun1 •The process of deadmelting steel.A "sufficient amount" is defined as the gross charge weight of the alloy that is required to add the deficient weight of metal to the heat after the deadmelt oxidation losses have taken place. — 1964 verb1 •To melt steel at high temperatures in order to deoxidize it.At 0.09 per cent. carbon the bath is usually underdone.” because a relatively high temperature is required to deadmelt at this carbon. — 1917 formsdeadmelted · deadmelting · deadmelts