Albumen/ælˈbjuːmən/ Definition 1 of 3Pro Tip 1/3Culinary Term Primarily used in cooking to refer to egg whites, important in recipes for texture. Beat the albumen until it forms stiff peaks for the meringue. Pro Tip 2/3Not Always Clear When cooked, albumen turns white and opaque, not remaining clear. The albumen started clear but became solid white after frying the egg. Pro Tip 3/3Identifying Quality The clarity and firmness of albumen can indicate an egg's freshness. This egg's albumen is cloudy, a sign it may not be very fresh.