Welcome to the The Incredible Edible Egg™ Eggcyclopedia, where you can access the latest egg information from A-Z. The Eggcyclopedia was developed by the American Egg Board (AEB) on behalf of America's egg farmers who are committed to caring for their hens and producing high-quality eggs for you and your families.

Just click on any letter below to bring up a list of egg terms and their related definitions.


A thin film of odorless, tasteless mineral oil sprayed on eggs before cartoning. The oil replaces the natural bloom, the protective coating on the outside of the egg which is removed during washing. About 10% of eggs are oiled. – See Bloom, Cuticle