concentration
noun
- type of physical property; the abundance of a constituent divided by the total volume of a mixture
- affix attention on, focusing of attention
- cause a reduction in volume (as of a liquid)
- creating an output material with an increased density of a material of interest that is part of the input material by separating other parts of the input material
Wiktionary
Pronunciation: /ˌkɒn.sənˈtɹeɪ.ʃən/ / /ˌkɑn.sənˈtɹeɪ.ʃən/
noun
Etymology: From New Latin concentrātiō (“(1550) action or an act of coming together at a single place; (1659) extraction or separation of one or more of the metals present in an alloy”). Compare French concentration, Spanish concentración, Italian concentrazione (last quarter of 16th century). Equivalent to concentrate + -ion. By surface analysis, con- + centre + -ate + -ion.
- The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
“The Koreans Almost all the Koreans in China live in the north-eastern provinces. The greatest concentration is found in an area of approximately 1,200 square miles in Kirin Province, an area which is part of the Yen-pien Korean Autonomous Chou.”
- The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
- The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
- The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
- A field or course of study on which one focuses, especially as a student in a college or university.
- The proportion of a substance in a whole.
“The Koreans Almost all the Koreans in China live in the north-eastern provinces. The greatest concentration is found in an area of approximately 1,200 square miles in Kirin Province, an area which is part of the Yen-pien Korean Autonomous Chou.”
“Surprisingly, this analysis revealed that acute exposure to solvent vapors at concentrations below those associated with long-term effects appears to increase the risk of a fatal automobile accident. Furthermore, this increase in risk is comparable to the risk of death from leukemia after long-term exposure to benzene, another solvent, which has the well-known property of causing this type of cancer.”
- The proportion of a substance in a whole.
- The matching game pelmanism.