noun
- an organism, especially a bacterium, that requires air or free oxygen for life (opposed to anaerobe).
noun plural -obes or -obia (-ˈəʊbɪə)
- an organism that requires oxygen for respirationCompare anaerobe
n.
- An organism, such as a bacterium, requiring oxygen to live.
- An organism, such as a bacterium, that can or must live in the presence of oxygen. Compare anaerobe.