空污

kōngwū

short for 空氣污染／空气污染 (kōngqì wūrǎn, “air pollution”)

Wiktionary

Entry Composition

=1 空 kōng
  1. empty
  2. air
  3. sky
  4. in vain
=1 空 kòng
  1. to empty
  2. vacant
  3. unoccupied
  4. space
  5. leisure
  6. free time
=1 空 kǒng
  1. (obsolete on its own in Standard Chinese) alternative form of 孔 (kǒng, “hole; cave; mouth”)
  2. alternative form of 孔 (kǒng, “hole; cave; mouth”)
=2 污 wū variant of 污 wū
=2 污 wū variant of 污 wū
=2 污 wū
  1. dirty
  2. filthy
  3. foul
  4. corrupt
  5. to smear
  6. to defile
  7. dirt
  8. filth