biochemical oxygen demand

noun
Updated on: 9 Nov 2017

Definition of biochemical oxygen demand

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

Recent Examples of biochemical oxygen demand from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biochemical oxygen demand.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of biochemical oxygen demand

1914


Medical Dictionary

biochemical oxygen demand

noun biochemical oxygen de·mand \ -di-ˌmand \

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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