biochemical oxygen demand


noun

  1. the oxygen required by aerobic organisms, as those in sewage, for metabolism. Abbreviation: BOD

noun

  1. a measure of the organic pollution of water: the amount of oxygen, in mg per litre of water, absorbed by a sample kept at 20°C for five daysAbbreviation: BOD

n.

  1. The amount of oxygen required by aerobic microorganisms to decompose the organic matter in a sample of water and used as a measure of the degree of water pollution.biological oxygen demand

  1. The amount of oxygen required by aerobic microorganisms to decompose the organic matter in a sample of water, such as one polluted by sewage. It is used as a measure of the degree of water pollution.

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