biochemical oxygen demand
noun
: the oxygen used in meeting the metabolic needs of aerobic microorganisms in water rich in organic matter (such as water polluted with sewage)
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As a result of the initiative, preliminary testing there has shown a 400-percent improvement in biochemical oxygen demand, one of many water quality indicators, the release said.
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Robert Rhoden, NOLA.com, 31 Oct. 2017
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Robert Rhoden, NOLA.com, 31 Oct. 2017
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“Biochemical oxygen demand.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biochemical%20oxygen%20demand. Accessed 2 Mar. 2025.
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biochemical oxygen demand
noun
biochemical oxygen de·mand
-di-ˌmand 
: the oxygen used in meeting the metabolic needs of aerobic microorganisms in water rich in organic matter (as water polluted with sewage)
called also biological oxygen demand, oxygen demand
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