Definition of seventy number from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈsevnti//
    ; NAmE NAmE//ˈsevnti//
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  1. 1  number 70
  2. 2noun the seventies [plural] numbers, years or temperatures from 70 to 79
  3. Idioms between the ages of 70 and 79
See the Oxford Advanced American Dictionary entry: seventy