litharge
noun
li·tharge ˈli-ˌthärj 
li-ˈthärj
li-ˈthärj : a fused lead monoxide
broadly : lead monoxide
Word History
Etymology
Middle English litarge, borrowed from Anglo-French, borrowed from Latin lithargyrus, borrowed from Greek lithárgyros, from lith- lith- + árgyros "silver" — more at argent
First Known Use
14th century, in the meaning defined above
Medical Definition
litharge
noun
li·tharge ˈlith-ˌärj lith-ˈ
lith-ˈ : lead monoxide obtained in flake or powdered form
broadly : lead monoxide compare massicot