Solid carbon dioxide is also commonly known as dry ice, a substance that is formed when carbon dioxide is compressed and cooled to a temperature of -78.5 degrees Celsius. It is a versatile substance that is commonly used for various purposes, such as in refrigeration, transportation, and in scientific experiments. However, there are other synonyms that can be used to describe this solidified form of carbon dioxide, including cardice, carbonic ice, and sector snow. These terms are also used interchangeably with the term dry ice and are commonly known in scientific and industrial circles. Regardless of the term used, solid carbon dioxide remains an essential substance that has numerous applications in various fields.