hadal

ha·dal  (hdl)

adj.

Of or relating to the deepest regions of the ocean, below about 6,000 meters (20,000 feet).

---

[French, from Hadès, Hades, from Greek Haids; see weid- in Indo-European roots.]

---

hadal [ˈheɪd^əl]

adj

(Earth Sciences / Physical Geography) of, relating to, or constituting the zones of the oceans deeper than abyssal: below about 6000 metres (18 000 ft.)

[from French, from Hadés Hades]

---

hadal  (hdl)

Relating to the deepest regions of the ocean, below about 6,000 m (19,680 ft). The hadal zone mostly comprises trenches that can reach depths greater than 10,000 m (32,800 ft).

Thesaurus

Adj.

1.

hadal - relating to the deepest parts of the ocean (below 6000 meters)