1. An organism that can live and grow in the absence of oxygen.
Usage: technical; biology; also called anaerobe

Examples

• Bacteria in the deep ocean floor are often anaerobia that do not require oxygen to survive.
• The laboratory cultured anaerobia in sealed containers to study their metabolic processes.
• Some anaerobia produce methane as a byproduct of their metabolism.
• Anaerobia are commonly found in the human digestive system.
• The researcher isolated several species of anaerobia from soil samples.