Concentration (disambiguation)

This disambiguation page lists articles associated with the same or a similar title.

Science, engineering and technology

Concentration: In science, engineering and in general common usage: the measure of how much of a given substance there is in a given mixture of substances. ^[e]

Mass concentration (geophysics): A region of a planet or moon's crust that is denser than average. ^[e]

Market concentration: The number and production share of firms in a market (or industry). ^[e]
Concentration ratio: A ratio that shows the extent to which a market is dominated by a small group of suppliers. An example is the 5-firm concentration ratio, which is the percentage of total sales of a product that is supplied by the five largest suppliers. An alternative measure is the Herfindahl Index ^[e]

Concentration (geography): The geographic location of a specific cluster or dense group, e.g. of ethnics, types of buildings, types of natural features (such as mountains, lakes, or forests). ^[e]
Concentration (military): The bringing together of military forces. ^[e]
Concentration (cognitive): Intense mental focus. ^[e]
Concentration (politics): Add brief definition or description
Concentration (game): A card game. ^[e]
Concentration camp: A camp where civilians, enemy aliens, political prisoners, and sometimes unwanted ethnic groups are detained and confined under extremely harsh conditions (including the murder of the detainees as during the Holocaust in Nazi Germany). ^[e]