Exo-ocean

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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."

Example

More examples

"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."

Etymology

From exo- + ocean.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.