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anaerobic

American  
[an-uh-roh-bik, an-ai-] / ˌæn əˈroʊ bɪk, ˌæn ɛə- /

adjective

  1. (of an organism or tissue) living in the absence of air or free oxygen.

  2. pertaining to or caused by the absence of oxygen.


anaerobic British  
/ ˌænɛəˈrəʊbɪk /

adjective

  1. (of an organism or process) requiring the absence of or not dependent on the presence of oxygen

  2. of or relating to anaerobes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

anaerobic Scientific  
/ ăn′ə-rōbĭk /
  1. Occurring in the absence of oxygen or not requiring oxygen to live. Anaerobic bacteria produce energy from food molecules without the presence of oxygen.

  2. Compare aerobic


anaerobic Cultural  
  1. A descriptive term for a process, such as fermentation, that can proceed only in the absence of oxygen, or a living thing that can survive only in the absence of oxygen. (Compare aerobic.)


Other Word Forms

  • anaerobically adverb

Etymology

Origin of anaerobic

First recorded in 1880–85; anaerobe + -ic

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Food waste is instead taken through a process called anaerobic digestion to create biomethane.

From BBC

Tougher controls over the spreading of sewage and septic tank sludge to land as fertiliser in farming are also proposed, as are limits on using digestate from anaerobic digestion plants.

From BBC

Already the West Country is a "hotbed for anaerobic digestion and biogas", according to Matt Hindle, head of Net Zero at Wales and West.

From BBC

This included alternative uses for the site such as hydrothermal plastics recycling and anaerobic digestion.

From BBC

This compound is found in the atmospheres of the gas giants Jupiter and Saturn and has long been viewed as a potential biosignature for anaerobic life.

From Science Daily