exo-ocean

English

Etymology

From exo- +‎ ocean.

Noun

exo-ocean (plural exo-oceans)

  1. An ocean on a planet other than Earth.
    • 2010 November 20, Steve Nerlich, Universe Today‎:
      From there, if the planet is big enough to gravitationally retain a thick atmosphere and is in the temperature zone where water can remain fluid, then you’ve got yourself an exo-ocean.
    • 2018 May 21, Tim Folger, “Our Aquatic Universe”, in Aeon‎:
      Before that day arrives, we might well find evidence of life in some of the exo-oceans much closer to home.
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