noun
Usage: usually capitalized M
Etymology: after Pierre E. Martin died 1915 French engineer who invented it
: an open-hearth process in which steel is made from pig iron usually charged molten by adding to it wrought iron and steel scrap
noun
Usage: usually capitalized M
Etymology: after Pierre E. Martin died 1915 French engineer who invented it
: an open-hearth process in which steel is made from pig iron usually charged molten by adding to it wrought iron and steel scrap
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012