Aftertaste is the lingering sensation of a food or drink that remains in the mouth after it has been consumed. The term can be used to describe both pleasant and unpleasant sensations. In crossword puzzles, three words related to aftertaste are TANG (4 letters), COTTONMOUTH (11 letters), and ACETAL (6 letters). TANG is a type of citrus-flavored drink mix that is often used to make beverages with a sweet and sour taste. COTTONMOUTH is a slang term for the dry feeling in the mouth that can occur after drinking alcohol. ACETAL is a type of chemical compound that is used to create artificial flavors and fragrances, which can also contribute to the aftertaste of a food or drink.