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Definition of infinity noun from the Oxford Advanced American Dictionary

     

    infinity

     noun
    noun
    NAmE//ɪnˈfɪnət̮i//
     
    (pl. infinities)
     
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  1. 1 [uncountable] (also infinities [plural]) the state of having no end or limit the infinity/infinities of space
  2. 2[uncountable] a point far away that can never be reached The landscape seemed to stretch into infinity.
  3. 3(symbol ) [uncountable, countable] (mathematics) a number larger than any other The number tends toward infinity.
  4. 4[singular] a large amount that is impossible to count an infinity of stars
See the Oxford Advanced Learner's Dictionary entry: infinity

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