concen-tration

英 ['kɒnsntr'eɪʃn] 美 ['kɒnsntr'eɪʃn]

• 浓度

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