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reliability (EN)
noun

noun “reliability”

singular reliability, plural reliabilities or uncountable
  1. the ability to be depended on
    The reliability of the train service has improved over the past year.
  2. (of a statement, result, etc.) the likelihood of being true
    The reliability of the information provided on this website is very high.
  3. (statistics) the consistency of a test or measurement
    A test with high reliability will yield similar results every time it is taken.