Abyssal zone

//əˈbɪs.l̩ zəʊn// noun

Definitions

Noun
  1. 1
    The oceanic realm consisting of the deep ocean, typified by a dearth of plant life, and plentiful carnivorous animals that are able to withstand extreme pressure.
  2. 2
    the deep sea (2000 meters or more) where there is no light wordnet

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