litharge

 
Pronunciation: /ˈlɪθɑːdʒ/

noun

[mass noun]
  • lead monoxide, especially a red form used as a pigment and in glass and ceramics.
    • Chemical formula: Pb0

Origin:

Middle English: from Old French litarge, via Latin from Greek litharguros, from lithos 'stone' + arguros 'silver'