首页英语词典concentrationconcentration英英释意

concentration

英[kɒns(ə)n'treɪʃ(ə)n] 美['kɑnsn'treʃən]
  • n. 浓度;集中;浓缩;专心;集合

英英释意


1. the strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter)
2. the spatial property of being crowded together
3. strengthening the concentration (as of a solute in a mixture) by removing extraneous material
4. increase in density
5. complete attention; intense mental effort
6. bringing together military forces
7. great and constant diligence and attention