Pronunciation: (brāk'out"),[key] —n. 1. an escape, often with the use of force, as from a prison or mental institution.
2. an appearance or manifestation, as of a disease, that is sudden and often widespread; outbreak.
3. an itemization; breakdown: a hotel bill with a breakout of each service offered. 4. an instance of surpassing any previous achievement: a breakout in gold prices. 5. the act or process of removing and disassembling equipment that has been used in drilling a well.
—adj. of or constituting a sudden increase, advance, or unexpected success: The director has finally scored with a breakout movie.