
1) Uranium compound
Found on
https://www.crosswordclues.com/clue/ferrouranium

Ferrouranium, also called ferro-uranium, is a ferroalloy, an alloy of iron and uranium, after WWII usually depleted uranium. It contains about 35–50% uranium and 1.5–4% carbon. Ferrouranium is used as a deoxidizer (more powerful than ferrovanadium), for denitrogenizing steel, for forming carbides, and as an alloying element. In ferrous alloys,...
Found on
http://en.wikipedia.org/wiki/Ferrouranium
No exact match found.