deep-sea

American  

[deep-see] / ˈdipˈsi /

adjective

1. of, pertaining to, in, or associated with the deeper parts of the sea.

   deep-sea fishing; deep-sea diver.

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deep-sea British  

noun

1. (modifier) of, found in, or characteristic of the deep parts of the sea

   deep-sea fishing

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Etymology

Origin of deep-sea

First recorded in 1620–30

Example Sentences

Ash Hallwood works as a deep-sea diver, and said when he is home in Miskin he sees many L plates on cars.

From BBC

This technology allowed them to follow the movements of bigscale pomfret over time, something that had been difficult to achieve with deep-sea fish.

From Science Daily

After years of observation, researchers found no trace of zombie worms, despite their well-known role in breaking down whale bones and supporting deep-sea food webs.

From Science Daily

The step had dubious legal validity, since deep-sea areas are governed by treaties administered by the United Nations, rather than individual nations.

From The Wall Street Journal

The material was found in deep-sea cores recovered from Baffin Bay, off Greenland's western coast.

From Science Daily

Related Words

• aquatic
• coastal
• maritime
• naval
• saltwater
• seagoing