Earth's thin, dense, underwater layer.

Underwater mountain range, plate boundaries.

alt=painting of a man reaching towards nature|thumb|Manfred and the Alpine Witch, by John Martin

The approximately 450 Oceanic languages are a branch of the Austronesian languages.

An oceanic climate, also known as a marine climate or maritime climate, is the temperate climate sub-type in Köppen classification represented as Cfb, typical of west coasts in higher middle latitudes of continents, generally featuring cool to warm summers and cool to mild winters (for their latitude), with a relatively narrow annual temperature range and few extremes of temperature.

In hydrology, an oceanic basin (or ocean basin) is anywhere on Earth that is covered by seawater.