Adverb
anaerobically (comparative more anaerobically, superlative most anaerobically)
In an anaerobic manner; in a way that does not require oxygen. Generally used of metabolic processes.
Humans can metabolize both aerobically and anaerobically, the latter generally in high stress situations.
5: Aerotolerant organisms do not require oxygen as they metabolise energy anaerobically. Source: Internet
4: Microaerophiles need oxygen because they cannot ferment or respire anaerobically. Source: Internet
Swimming is primarily a cardiovascular/aerobic exercise citation due to the long exercise time, requiring a constant oxygen supply to the muscles, except for short sprints where the muscles work anaerobically. Source: Internet
The plants are susceptible to fungi in the root area, so anaerobic organic enrichment such as anaerobically composted organic matter or manure, should be avoided. Source: Internet