hadal

/heyd-l/US // ˈheɪd l //UK // (ˈheɪdəl) //

哈达勒,哈萨尔,哈达,哈达拉

Definitions

adj.形容词 adjective

1
Oceanography.
- : of or relating to the greatest ocean depths, below approximately 20,000 feet.
- : of or relating to the biogeographic region of the ocean bottom below the abyssal zone.