Unslaked lime is a common term used for calcium oxide, a chemical compound that is widely used in various industrial and agricultural applications. However, there are several other synonyms for unslaked lime that are equally popular in the industry. The most common alternative names for unslaked lime are quicklime, burnt lime, caustic lime, and hot lime. These terms are widely used in different industries, such as construction, agriculture, chemical manufacturing, and wastewater treatment. Despite having different names, the properties and uses of these synonyms for unslaked lime are relatively similar, making them interchangeable in various applications.