biological oxygen demand
Abbreviation: BOD
The dissolved oxygen required for the respiration of a population of aerobic organisms present in water. Expressed in terms of the oxygen consumed in water at a temperature of 20°C per unit time. The BOD is used as an indication of the degree to which the sample of water is polluted, particularly by inorganic nutrients for plants.

Glossary of Biotechnology for Food and Agriculture . 2015.

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