plural of mid-ocean ridge

Synonym of seabed and seafloor, especially used for that of an ocean.

Any octopus of the genus Hapalochlaena, with distinctive blue rings, that carry the highly poisonous venom tetrodotoxin (TTX).

(of fuel) Having a low octane number. / (by extension) Slow; weak.

blue eyes

(video games) A random event, typically activated by clicking on an object

A species of octopus, endemic to bays and coastal waters of the tropical eastern Pacific, that has a striped body and spotted tentacles, and exhibits certain behaviours that distinguish it from other octopuses.

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

(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.

plural of drop in the ocean