concentrations

英 [kɒnsənt'reɪʃnz] 美 [kɒnsənt'reɪʃnz]

• 浓聚物

英英释义

名词 concentration:

1. the strength of a solution; number of molecules of a substance in a given volume

2. the spatial property of being crowded together

3. strengthening the concentration (as of a solute in a mixture) by removing diluting material

4. increase in density

5. complete attention; intense mental effort

6. bringing together military forces

7. great and constant diligence and attention