burn·out 
(bûrnout′)
(bûrnout′)n.
1. A failure in a device attributable to burning, excessive heat, or friction.
2. Aerospace
a. The termination of rocket or jet-engine operation because of fuel exhaustion or shutoff.
b. The point at which this termination occurs.
3.
a. Physical or emotional exhaustion, especially as a result of long-term stress or dissipation.
b. One who is worn out physically or emotionally, as from long-term stress.
- histolysis
- histolytic
- histomoniasis
- histone
- histopathologic
- histopathological
- histopathologically
- histopathologist
- histopathology
- histophysiologic
- histophysiological
- histophysiology
- histoplasmosis
- historian
- historiated
- historic
- historical
- historical linguistics
- historically
- historical materialism
- historicalness
- historical novel
- historical present
- historicism
- historicist