Cis-neptunian
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 Relating to an astronomical body found within the orbit of Neptune. not-comparable
"Within the orbit of Neptune, cis-Neptunian bodies include the terrestrial and large gaseous planets, along with a variety of minor bodies: planetary moons, asteroids, and comets."
Example
More examples"Within the orbit of Neptune, cis-Neptunian bodies include the terrestrial and large gaseous planets, along with a variety of minor bodies: planetary moons, asteroids, and comets."
Etymology
From cis- + Neptunian; compare trans-Neptunian.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.