reliability
Definitions (3)
1. Ability of an equipment, machine, or system to consistently perform its intended or required function or mission, on demand and without degradation or failure.
2. Probability of failure-free performance over an item's useful life, or a specified timeframe, under specified environmental and duty-cycle conditions. Often expressed as mean time between failures (MTBF) or reliability coefficient. Also called quality over time. See also availability.
3. Consistency and validity of test results determined through statistical methods after repeated trials.
News containing the term reliability
http://www.businessdictionary.com/definition/reliability.html

