OCEANIC ABYSS

Pronunciation (US): (GB):

Meaning:

A long steep-sided depression in the ocean floor

Synonyms:

deep; oceanic abyss; trench

Classified under:

Nouns denoting natural objects (not man-made)

Hypernyms ("oceanic abyss" is a kind of...):

depression; natural depression (a sunken or depressed geological formation)

Instance hyponyms:

Atacama Trench (a depression in the floor of the Pacific Ocean off the coast of Chile)

Bougainville Trench (a depression in the floor of the Pacific Ocean between New Guinea and the Solomon Islands)

Japan Trench (a depression in the floor of the Pacific Ocean to the northeast of Japan that reaches depths of 30,000 feet)

Nares Deep (a depression in the floor of the Atlantic Ocean to the north of Haiti and Puerto Rico)