mini-Neptunes

A form of mini-Neptune — A planet less massive than Neptune but resembling Neptune in that it has a thick hydrogen-helium atmosphere, probably with deep layers of ice, rock or liquid oceans (made of water, ammonia, a mixture of both, or heavier volatiles).

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Meanings

noun
  1. pluralplural of mini-Neptune
Cite this entry
APA

mini-Neptunes. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mini-Neptunes

MLA

“mini-Neptunes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mini-Neptunes. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mini-Neptunes,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mini-Neptunes.

Source: mini-Neptunes on Wiktionary, CC BY-SA 4.0.