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
Anaerobic respiration occurs in some yeasts and bacteria and in muscle when exercise is strenuous and there is not enough oxygen.
In anaerobic respiration, CO2 is given off, but no oxygen absorbed.
anaerobic respiration n.
Respiration in which molecular oxygen is not consumed.