|
|
 |
biochemical oxygen demand
|
|
|
|
|
|
|
| bi·o·chem·i·cal ox·y·gen de·mand |
noun |
|
| Definition: |
| |
measure of water pollution: a measure of the pollution present in water, obtained by measuring the amount of oxygen absorbed from the water by the microorganisms present in it
|
|
|
|
