hycean

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Adjective

1. {{lb|en|astronomy|planetology|of a planet|neologism}} Having a [[water]]-based [[ocean]] that covers the entire planet, and an [[atmosphere]] rich in [[hydrogen]].

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