biochemical oxygen demand


biochemical oxygen demand

noun

Definition of BIOCHEMICAL OXYGEN DEMAND

:  the oxygen used in meeting the metabolic needs of aerobic microorganisms in water rich in organic matter (as water polluted with sewage)

First Known Use of BIOCHEMICAL OXYGEN DEMAND

circa 1927

biochemical oxygen de·mand

noun \-di-ˌmand\   (Medical Dictionary)

Medical Definition of BIOCHEMICAL OXYGEN DEMAND

: 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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