A bulla is a fluid-filled sac or lesion that appears when fluid is trapped under a thin layer of your skin. Itâs a type of blister. Bullae (pronounced as âbullyâ) is the term used for multiple bulla. To be classified as a bulla, the blister must be larger than 0.5 centimeters (5 millimeters) in diameter.
Definition of fortune. 1 often capitalized : a hypothetical force or personified power that unpredictably determines events and issues favorably or unfavorably a country favored by fortune.
Definition of luck. 1  1a : a force that brings good fortune or adversity Luck was a big factor in the outcome.b : the events or circumstances that operate for or against an individual The loser muttered something about bad luck. 2  2 : favoring chance; also : success had great luck growing orchids.