Word.ws English Dictionary

exo-ocean

exo-ocean noun: an ocean on a planet other than Earth.

Noun

exo-ocean (plural exo-oceans)

  1. An ocean on a planet other than Earth.
    • 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.2010 November 20, Steve Nerlich, Universe Today
    • Before that day arrives, we might well find evidence of life in some of the exo-oceans much closer to home.2018 May 21, Tim Folger, “Our Aquatic Universe”, in Aeon, archived from the original on 17 Jun 2019

Forms of exo-ocean

pluralexo-oceans

Origin of exo-ocean

From exo- + ocean.

Questions about exo-ocean

What does exo-ocean mean?
Exo-ocean means an ocean on a planet other than Earth.
What part of speech is exo-ocean?
Exo-ocean is a noun.
What is the plural of exo-ocean?
The plural of exo-ocean is exo-oceans.

Words near exo-ocean in the dictionary

  1. exo-cannibalism
  2. exo-Earth
  3. exo-Earths
  4. exo-isomer
  5. exo-isomers
  6. exo-ocean
  7. exo-oceans
  8. exo-planet
  9. exo-planets
  10. exo-steric
  11. exo-Venus

Source and license

Adapted from Wiktionary: exo-ocean (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “exo-ocean.” Word.ws, https://word.ws/exo-ocean. Based on Wiktionary, CC BY-SA 4.0.