ferreous
Related to ferreous: Ferrous gluconate, Ferrous fumarate
ferreous
(ˈfɛrɪəs)adj
(Minerals) containing or resembling iron: a ferreous alloy; a ferreous substance.
[C17: from Latin ferreus made of iron, from ferrum iron]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014