淡化

dànhuà
  1. to water down
  2. to play down
  3. to trivialize
  4. to weaken
  5. to become dull with time
  6. to desalinate
  7. desalination

CEDICT

Entry Composition

1 淡 dàn
  1. insipid
  2. diluted
  3. weak
  4. mild
  5. light in color
  6. tasteless
  7. indifferent
  8. (variant of 氮 dàn) nitrogen
2 化 huà
  1. to make into
  2. to change into
  3. -ization
  4. to ... -ize
  5. to transform
  6. abbr. for 化学 huàxué