Solidified carbon dioxide is a compound that is commonly known as dry ice. This substance is formed when carbon dioxide is subjected to high pressure and allowed to solidify. There are several synonyms for solidified carbon dioxide including frozen carbon dioxide, carbon dioxide ice, and carbon dioxide snow. While these terms are often used interchangeably, they all refer to the same substance. Solidified carbon dioxide has many uses, including in the food industry for packaging and transportation of perishable goods, as well as in the medical field for cryotherapy treatments. Additionally, it is often used in entertainment settings such as stage productions and haunted houses for its smoky, eerie effect.