Look up concentration in Wiktionary, the free dictionary.

Concentration can refer to:

Contents 1 Science and technology 2 Economics 3 Games 4 Music 5 Other uses

[edit] Science and technology

• Concentration, in chemistry, the measure of how much of a given substance there is mixed with another substance
  • More generally, in physics, the number density

[edit] Economics

• Market concentration, in economics, the number and production share of firms in a market (or industry)
• Concentration ratio, in economics, a measure of market concentration

[edit] Games

• Concentration (game), the card game
• Concentration (game show), the NBC television game show

[edit] Music

• Concentration 20, an album by Namie Amuro
• Concentrate, a song by American rapper Xzibit, from his album Full Circle (Xzibit album)
• Concentration, an album by Machines of Loving Grace

[edit] Other uses

• Attention, the cognitive process of selectively focusing on one thing to the exclusion of others
• Concentration camp, a detention center created for specific groups of people, usually during wartime
• Mass concentration, in geophysics, a region of a planet or moon's crust that is denser than average
• A term used at Brown University, Colgate University, Columbia University, and Harvard College to refer to a type of academic major
• Force concentration, and concentrate, in military tactics, the practice of concentrating military units
• Samadhi (Buddhism), mental concentration in Buddhism

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