Bismuth oxide is a chemical compound made from the element bismuth and oxygen. It appears as a yellow or white powder and is known for its high melting point and low toxicity. Bismuth oxide is often used in various applications, including ceramics, pigments, and as a catalyst in chemical reactions. In the medical field, bismuth oxide is sometimes used in pharmaceuticals for its protective properties in treating gastrointestinal issues. Additionally, it has potential uses in electronics and as a material for solar cells due to its unique electrical properties.