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British Dictionary definitions for inner space

inner space

noun
  1. the environment beneath the surface of the sea
  2. the human mind regarded as being as unknown or as unfathomable as space
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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