chthonian planet

noun

A hypothetical type of planet resulting from the atmosphere and outer layers of a gas giant being stripped away, leaving the rocky, metallic core.

Meanings

nounchthonian planet (plural chthonian planets)

plural chthonian planets

  1. astronomyA hypothetical type of planet resulting from the atmosphere and outer layers of a gas giant being stripped away, leaving the rocky, metallic core.

Translations

Chinese Mandarin 冥府行星
  • 冥府行星 (míngfǔxíngxīng)type of planet
Finnish ktooninen planeetta
  • ktooninen planeettatype of planet
Polish planeta chtoniczna
  • planeta chtonicznatype of planet
Cite this entry
APA

chthonian planet. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/chthonian%20planet

MLA

“chthonian planet.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/chthonian%20planet. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “chthonian planet,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/chthonian%20planet.

Source: chthonian planet on Wiktionary, CC BY-SA 4.0.