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deep-sea

deep-sea

13 4.5
Located very far below the sea surface
  • adjective
  • /ˈdiːp siː/
translation icon : de aguas profundas
  • The area would look different, but the deep-sea floor would still be the winner.
  • deep-sea vents
  • deep-sea octopus
  • deep-sea fishing

It looks like a deep sea diving vehicle of some sort.

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Examples

  • Yet, there is evidence that many deep-sea bacteria require both high pressure and cold for survival.

    Academic text (1994)
  • In the last two decades, deep-sea fisheries have reached depths of 2,000 meters.

    Academic text (2004)
  • Their studies will eventually become part of the voluminous legacy of deep-sea research.

    Academic text (2012)
  • Aggregations of reproducing deep-sea animals were once believed to be rare.

    Academic text (2004)
  • Many countries are now looking to Norway for the technological key to unlock their own deep-sea mysteries.

    Academic text (2006)
  • Deep-sea seismographs have recorded explosions on the ocean floor.

  • Baby Bare is an isolated outcrop on a deep-sea sediment plain.

    Academic text (2004)
  • Australia will provide $50 million in concessional credits to augment India's deep-sea fishing industry.

    Academic text (1990)
  • In the first two missions, scientists conducted investigations of deep-sea corals, methane hydrates, coral reefs, and other marine habitats.

    Academic text (2001)
  • The deep-sea environment is home to many unique species that thrive in darkness.

Synonyms

deep-water
vsdeep-sea
4 4.9

In very deep parts of the sea

is a general term for anything occurring far below the surface
abyssal
vsdeep-sea
  • Specialized
1 9.4

Relating to the deep sea between about 2,000 and 5,000 meters below the surface

is broader and covers any deep parts of the ocean without exact depth
hadal
vsdeep-sea
  • Specialized
9.9

Relating to the deepest parts of the ocean below 6000 meters

is broader and applies to deep ocean zones at many different depths

Antonyms

14 3.3

A part of a river or sea that is not deep

How Deep

abyssal
  • Specialized
1 9.4
deep-sea
13 4.5
offshore
141 3.7
coastal
129 2.4

Surface Forms

deep-sea positive

Morphology

deep-sea = deep + sea (transparent) = deep + sea

Meaning is directly the combination of 'deep' and 'sea' indicating parts of the sea far below the surface.

Etymology

Deep-sea is just the two words deep ('far below the surface') and sea ('ocean'), so it means things that happen in the very deep parts of the ocean.