Anaerobic

Anaerobic means "living in the absence of air", as opposed to aerobic which means "living in the presence of air." Anaerobic may also refer to:

• Anaerobic adhesive, a bonding agent that does not cure in the presence of air
• Anaerobic clarigester, an anaerobic digester that treats dilute biodegradable feedstocks and allows different retention times for solids and liquids
• Anaerobic contact process, an anaerobic digester with a set of reactors in series
• Anaerobic digestion, the use of anaerobic bacteria to break down waste, with biogas as a valuable byproduct
• Hypoxia (environmental) (anaerobic environment), an environment with little or no available oxygen
• Anaerobic exercise, exercise intense enough to cause lactate to form, used in non-endurance sports
• Anaerobic filter, an anaerobic digester with a tank containing a filter medium where anaerobic microbes can establish themselves
• Anaerobic lagoon, used to dispose of animal waste, particularly that of cows and pigs
• Anaerobic organism, any organism whose redox metabolism does not depend on free oxygen
• Anaerobic respiration, respiration in the absence of oxygen, using some other molecule as the final electron acceptor
• Anammox, anaerobic ammonium oxidation, a globally important microbial process of the nitrogen cycle