What is another word for copper oxide?
Pronunciation: [kˈɒpəɹ ˈɒksa͡ɪd] (IPA) 
Copper oxide is a compound of copper and oxygen that has a distinctive reddish-brown color. Some synonyms for copper oxide include cupric oxide, copper (II) oxide, and copper monoxide. Cupric oxide is the more commonly used term in scientific literature and is used to describe the non-metallic, green colored form of copper oxide. Copper (II) oxide refers to the form of copper oxide that is used in industrial processes and is commonly found in the form of a black powder. Copper monoxide is a less common term used to describe the compound and is an unstable form of copper oxide that is typically only seen in laboratory settings.
