hadal

• Relatif aux parties les plus profondes de l'océan, généralement au-delà de 6000 mètres ; appartenant à la zone hadale.

Relating to the deepest parts of the ocean, typically below 6,000 meters; of or belonging to the hadal zone.

1. Deep ocean zoneC2formalscientific

   Relating to the deepest parts of the ocean, typically at depths greater than 6000 meters, such as ocean trenches.

   Zone hadale

   • The hadal zone remains one of the most unexplored regions on Earth.
   • Scientists have discovered new species living in hadal environments.
   • Only a few submersibles have reached hadal depths.