dictionary · eo1.org

mega-earth

Fetched 2026-10-26 (cache).

Synonyms: megadeath

Antonyms: megadeath

Related words from Datamuse; suggestions, not definitions.

Noun

  1. {{C|en|Types of planets}} {{lb|en|astronomy|planetology|geology}} A type of {{l|en|terrestrial planet}}, with masses greater than that of {{l|en|super-Earth}}s. A dense planetary mass object with a solid surface and little atmosphere. An {{l|en|exoplanet}} with a mass comparable to a {{l|en|gas giant}} or {{l|en|ice giant}}, but without its massive gaseous envelope. {{ngd|A {{l|en|planet}} with a radius of 2 Earth radii or more, and a density of 5 g/cm<sup>3</sup> or more.}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.