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reliability

Definitions:

  The ability of a system or component to function under stated conditions for a specified period of time.
Sources:
NIST SP 800-160 Vol. 2 Rev. 1 from IEEE Standard Computer Dictionary

  The probability of performing a specified function without failure under given conditions for a specified period of time.
Sources:
NIST IR 8323r1 from USG FRP (2021)
NIST IR 8401 from USG FRP (2019)