Anaerobic (adjective)

Relating to or caused by the absence of oxygen.

Origin:

From greek ἀν- (an-, "without") + αἰροβολή (airoboliē, "wind") + -ic.

Examples:

1. Anaerobic bacteria can survive in environments without oxygen.
2. Anaerobic digestion is a process that breaks down organic matter without the presence of oxygen.
3. Anaerobic exercise, such as weightlifting, is performed without oxygen.
4. Anaerobic metabolism is the process in which energy is produced without oxygen.
5. Anaerobic conditions are when there is not enough oxygen for normal respiration.