rarefied russian

• пореде́вший

  thinned out, sparse, rarefied

• проре́живаемый

  being thinned, being rarefied, being made sparse

• разреди́вший

  having thinned out, having diluted, having rarefied

• разрежа́вшийся

  thinned out, rarefied, sparse, less dense

• разрежа́ющийся

  becoming rarefied, thinning out, becoming sparse

• разрежаемый

  rarefiable, thinnable, that can be rarefied

• разряжённый

  rarefied, thin

  discharged, flat (battery), empty (weapon)