Definitions

1. adjective

Lacking oxygen; able to live without oxygen.

“The anaerobic bacteria in the soil break down organic matter.”

2. adjective

Producing energy without using oxygen; relating to anaerobic respiration.

“The athlete’s anaerobic endurance allowed her to sprint quickly.”

3. noun

A person who studies or deals with anaerobic organisms or processes.

“The anaeretic was hired to study the unique ecosystem in the cave.”