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 (such as water polluted with sewage)

Examples of biochemical oxygen demand in a Sentence

Recent Examples on the Web

As a result of the initiative, preliminary testing there has shown a 400-percent improvement in biochemical oxygen demand, one of many water quality indicators, the release said. Robert Rhoden, NOLA.com, "St. Tammany, lake foundation targeting broken sewage treatment systems," 31 Oct. 2017

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, in the meaning defined above

Keep scrolling for more

Learn More about biochemical oxygen demand

Share biochemical oxygen demand

Resources for biochemical oxygen demand

Dictionary Entries near biochemical oxygen demand

biochar

biochem

biochemical

biochemical oxygen demand

biochemistry

biochip

biochore

Statistics for biochemical oxygen demand

Look-up Popularity

Time Traveler for biochemical oxygen demand

The first known use of biochemical oxygen demand was in 1914

See more words from the same year

Keep scrolling for more

More Definitions for biochemical oxygen demand

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

More from Merriam-Webster on biochemical oxygen demand

Britannica.com: Encyclopedia article about biochemical oxygen demand

Comments on biochemical oxygen demand

What made you want to look up biochemical oxygen demand? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

by word of mouth

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!