Meaning ofblackwaterin English

Noun

1. naturally dark river or lake water; containing decayed matter
   The blackwater river flowed slowly through the swamp.
2. dark water with organic matter; naturally acidic
   The lake's blackwater was teeming with decaying plant matter.
3. water with low nutrient levels; acidic condition
   The aquarium's blackwater condition was caused by low nutrient levels.
4. water containing loam or tannins; dark appearance
   The stream's dark appearance was due to the presence of tannins in the blackwater.
5. wastewater containing fecal matter (sewage)
   The ship's blackwater treatment system was designed to handle sewage from the toilets.
6. malaria caused by Plasmodium falciparum (tropical disease)
   The doctor warned that blackwater fever was a serious complication of malaria.