The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for ferrum
Ferrum redactum, reduced iron, a powder containing at least 75% of metallic iron and a variable amount of oxide.
Nothing can be more unlike than gold, χρυσος, and aurum; than silver and argentum; than ferrum and σιδηρος.The Archaeology and Prehistoric Annals of Scotland
Then with the same mechanical gravity he added, "Ferrum, et fossam, et furcas cum aliis libertatibus."The Man Who Laughs
Among the dearest kinds were the ferrum Indicum and Sericum.
In ferrum pro libertate ruebant—They rushed upon the sword in defence of their liberty.