biochemical oxygen demand

bi·o·chem·is·try ox·y·gen de·mand

B b

- US Pronunciation
- US IPA
- [bahy-oh-kem-uh-stree ok-si-juh n dih-mand, -mahnd]
- /ˌbaɪ oʊˈkɛm ə stri ˈɒk sɪ dʒən dɪˈmænd, -ˈmɑnd/

- US Pronunciation
- US IPA
- [bahy-oh-kem-uh-stree ok-si-juh n dih-mand, -mahnd]
- /ˌbaɪ oʊˈkɛm ə stri ˈɒk sɪ dʒən dɪˈmænd, -ˈmɑnd/

Definitions of biochemical oxygen demand words

noun biochemical oxygen demand 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 days 3
noun biochemical oxygen demand 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 3
noun biochemical oxygen demand the organic matter in waste water 3
noun biochemical oxygen demand the oxygen required by aerobic organisms, as those in sewage, for metabolism. Abbreviation: BOD. 1
noun biochemical oxygen demand 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. 0

before 1925

One of the 11% newest English words

First recorded in 1925-30

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 1% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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