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inner space

British  

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

Example Sentences

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Transporting listeners to outer space and inner space.

From New York Times Sep. 7, 2022

During this sojourn into inner space, Queen Kane handily reveals her true reason for hunting a heretic roaming her lands.

From Salon Nov. 5, 2019

“Discovery” often thrums and sizzles with TV’s modern moves — including a nod to our beloved, wait-what? adventures in inner space, when the ship accidentally spore-hops into an alternate universe.

From Washington Post Feb. 7, 2018

How was the inner space of consciousness opened up within the circuits and code?

From The New Yorker Mar. 20, 2017

He liked the loneliness of inner space, the sense of being forgotten by the world.

From "The Hot Zone" by Richard Preston

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