hadal

• يصف ما يتعلق بأعمق أجزاء المحيط، وتحديدًا الأعماق التي تزيد على نحو 6000 متر، أو ما ينتمي إلى النطاق الهادي (الهادي).

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.

   هَدَلِيّ

   • 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.