concentration

The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.uncountableusually

• 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 C

The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.; The direction of attention to a specific object.uncountableusually

The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.; The act, process or product of reducing the volume of a liquid, as by evaporation.uncountableusually

The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.; The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water.uncountableusually

A field or course of study on which one focuses, especially as a student in a college or university.uncountableusually

The proportion of a substance in a whole.uncountableusually

• 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 C
• 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 co

The proportion of a substance in a whole.; The amount of solute in a solution measured in suitable units (e.g., parts per million (ppm))physicaluncountableusually

The matching game pelmanism.uncountableusually