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



    BrE BrE//ˈtwenti//
    ; NAmE NAmE//ˈtwenti//
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  1. 1  number 20
  2. 2noun the twenties [plural] numbers, years or temperatures from 20 to 29
  3. Idioms between the ages of 20 and 29
See the Oxford Advanced American Dictionary entry: twenty