Silver nitrate is a chemical compound that is commonly used in photography and medicine. It is a compound consisting of silver and nitrate ions, and is often called lunar caustic. Other synonyms for silver nitrate include argentum nitricum, nitrate of silver, and silver (I) nitrate. In the medical industry, silver nitrate is used to treat warts, ulcers, and burns. In photography, it is used in the development of film and as a part of the developing solution. As it has antimicrobial properties, silver nitrate is also used as a disinfectant in some circumstances. Despite its many uses, silver nitrate can be harmful if handled improperly, so it is important to take precautions when working with it.