Biochemical Oxygen Demand Definition

bīō-kĕmĭ-kəl
noun
The amount of dissolved oxygen needed to decompose the organic matter in waste water: a high BOD indicates heavy pollution with little oxygen remaining for fish.
Webster's New World
The organic matter in waste water.
Webster's New World
The amount of oxygen required by aerobic microorganisms to decompose the organic matter in a sample of water, such as that polluted by sewage. It is used as a measure of the degree of water pollution.
American Heritage Medicine

The amount of oxygen needed by aerobic microorganisms to decompose all the organic matter in a sample of water; it is used as a measure of pollution.

Wiktionary

Other Word Forms of Biochemical Oxygen Demand

Noun

Singular:
biochemical oxygen demand
Plural:
biochemical oxygen demands

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