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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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Medea also fostered a parallel movement for the Navy to release once-secret information that illuminated inner space — the ocean’s sunless depths.

From New York Times Jan. 5, 2021

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

He added, “I love the inner space of Todd’s work with actors and characters. I always feel he’s interested equally, if not more, in what’s happening below the lines.”

From The New Yorker Nov. 4, 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

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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