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Noun: one million million
  1. The number that is represented as a one followed by 12 zeros
    - trillion, 1000000000000
     
  2. [Brit] The number that is represented as a one followed by 12 zeros; in the United Kingdom the usage followed is frequently seen
    - billion [Brit, archaic], 1000000000000 [Brit]

Type of: large integer