Marine is an umbrella term. An umbrella term is a word that provides a Superset or grouping of related concepts also called a Hypernym. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine geology. This article is about the body of water For other uses see SEA and Seas. An ocean (from Greek, ''Okeanos'' (Oceanus) is a major body of saline water, and a principal component of the Hydrosphere. Marine biology is the scientific study of living Organisms in the Ocean or other marine or Brackish bodies of water Marine geology involves Geophysical, geochemical, sedimentological and Paleontological investigations of the Ocean floor and coastal As a noun it can be a term for a certain kind of navy, or those enlisted in such a navy.
In scientific contexts, the term almost always refers exclusively to saltwater environments, although in other contexts (e. Science (from the Latin scientia, meaning " Knowledge " or "knowing" is the effort to discover, and increase human understanding Seawater is Water from a Sea or Ocean. On average seawater in the world's oceans has a Salinity of about 3 g. , engineering) it may refer to any (usually navigable) body of water. Engineering is the Discipline and Profession of applying technical and scientific Knowledge and