plural of ur-ocean

(planetology) A basin in Nearside, Moon, Earth, Solar System

plural of drop in the ocean

(climate change) The increase in acidity of oceanic waters, from increased atmospheric carbon dioxide levels that increase dissolved carbon dioxide in seawater, which causes increased carbonic acid in ocean waters, lowering its pH level.

The engineering of structures and systems in or adjacent to the ocean, such as piers, harbors, and offshore platforms.

A large, heavy species of bony fish, Mola mola, native to tropical and temperate waters around the world.

(oceanography) A long steep-sided depression in the ocean floor.

plural of ocean floor

A moderately deep greenish-blue color.

plural of ocean blue