lessening russian

• уменьше́ние

  decrease, reduction, lessening, decline

  reduction (in size), shrinking, scaling down

• уменьша́вший

  decreasing, reducing, lessening, that was decreasing

• убавля́ющий

  reducing, diminishing, lessening, abating

• убавля́вший

  decreasing, reducing, lessening, that was decreasing