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Noun: quadrillion  kwó'dril-yun [N. Amer], kwó'dri-lee-un [Brit]
  1. The number that is represented as a one followed by 15 zeros
    "The world's total wealth is estimated to be in the quadrillions of dollars"
     
  2. [Brit] The number that is represented as a one followed by 24 zeros in the UK
    "In British English, a quadrillion is a much larger number than in American English"

Derived forms: quadrillions

Type of: large integer

Encyclopedia: Quadrillion