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(of an organism or tissue) living in the absence of air or free oxygen.
pertaining to or caused by the absence of oxygen.
Historical Examples

For any particular experiment prepare a smear culture on agar and incubate at 37° C. for 24 hours anaerobically.
The Elements of Bacteriological Technique John William Henry Eyre

(of an organism or process) requiring the absence of or not dependent on the presence of oxygen
of or relating to anaerobes

“capable of living without oxygen,” 1879 (as anaerobian; modern form first attested 1884), from French anaérobie, coined 1863 by French bacteriologist Louis Pasteur (1822-1895), from Greek an- “without” (see an- (1)) + aer “air” (see air (n.1)) + bios “life” (see bio-).

anaerobic an·aer·o·bic (ān’ə-rō’bĭk, -â-rō’bĭk)

Relating to or being an anaerobe.

Living without oxygen.

Occurring in the absence of oxygen or not requiring oxygen to live. Anaerobic bacteria produce energy from food molecules without the presence of oxygen. Compare aerobic.
anaerobic [(an-uh-roh-bik, an-air-oh-bik)]

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.)


Read Also:

  • Anaerobic respiration

    noun in biology, a form of incomplete intracellular breakdown of sugar or other organic compounds in the absence of oxygen that releases energy; cellular respiration in the absence of oxygen Examples Anaerobic respiration occurs in some yeasts and bacteria and in muscle when exercise is strenuous and there is not enough oxygen. Usage Note science […]

  • Anaerobiosis

    noun life in the absence of oxygen anaerobiosis an·aer·o·bi·o·sis (ān’ə-rō’bī-ō’sĭs, ān’â-rō’-) n. Life sustained by an organism in the absence of oxygen.

  • Anaerogenic

    anaerogenic anaerogenic an·aer·o·gen·ic (ān’ə-rō-gěn’ĭk, ān’â-rō-) adj. Producing no gas.

  • Anaesthesia

    . Medicine/Medical. general or local insensibility, as to pain and other sensation, induced by certain interventions or drugs to permit the performance of surgery or other painful procedures. Pathology. general loss of the senses of feeling, as pain, heat, cold, touch, and other less common varieties of sensation. Psychiatry. absence of sensation due to psychological […]

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