petabyte

  1. Noun.  (context, SI) One quadrillion (1,000,000,000,000,000) bytes. SI symbol: PB.
  2. Noun.  (computing) 1,125,899,906,842,624 bytes or 10245, or 250. This capacity may be expressed unambiguously as a pebibyte. SI symbol: PiB, computing symbol: PB.

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This entry was last updated on RefTopia from its source on 3/20/2012.