( n. )
The thin oxide which forms on the surface of iron forgings. It consists essentially of the magnetic oxide, Fe3O4. Also, a similar coating upon other metals.
( n. )
The thin oxide which forms on the surface of iron forgings. It consists essentially of the magnetic oxide, Fe3O4. Also, a similar coating upon other metals.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012