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fifth dimension

noun Mathematics, Physics.
  1. a theoretical dimension beyond or in addition to a fourth dimension.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fifth dimension

Historical Examples of fifth dimension

  • For two days of the Fifth-Dimension world Jacaro and his gunmen lay quiet.

    The Fifth-Dimension Tube

    William Fitzgerald Jenkins