Ketal is a term used in organic chemistry to refer to a type of functional group comprised of two linked carbonyl groups. Synonyms for ketal include dioxolane, acetal, and ethylene glycol ketal. While these terms may vary in their usage and specific chemical structures, they all refer to a similar type of organic compound. Ketals are important in the synthesis of many biologically active molecules, and their functional groups play a crucial role in various metabolic processes within the body. Understanding the many synonyms for ketal is useful for chemists and scientists looking to explore the properties and applications of these compounds in greater depth.