hycean

adj
/ˈhaɪʃən/

Etymology

Blend of hydrogen + ocean. Coined in 2021.

  1. derived from Ὠκεανός
  2. derived from Ōceanus
  3. derived from ocean
  4. derived from occean
  5. inherited from *ocean
  6. compounded as hycean — “hydrogen + ocean

Definitions

  1. Having a water-based ocean that covers the entire planet, and an atmosphere rich in…

    Having a water-based ocean that covers the entire planet, and an atmosphere rich in hydrogen.

    • With densities between those of rocky super-Earths and more extended mini-Neptunes, Hycean planets can be optimal candidates in the search for exoplanetary habitability and may be abundant in the exoplanet population.
    • And learning more about Hycean planets could help scientists find biosignatures, or signs of life, outside of our solar system in the near future.

The neighborhood

Vish — recursive loop

No curated loop yet for hycean. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA