up·time 
(ŭptīm′)
(ŭptīm′)n.
The time during which a device, such as a computer, is functioning or available for use.
- mechanic
- mechanical
- mechanical advantage
- mechanical drawing
- mechanical engineer
- mechanical engineering
- mechanically
- mechanicalness
- mechanics
- mechanism
- mechanist
- mechanistic
- mechanistically
- mechanization
- mechanize
- mechanizer
- mechano-
- mechanochemical
- mechanoreception
- mechanoreceptive
- mechanoreceptor
- mechanotherapist
- mechanotherapy
- Mechelen
- mechitza