You searched for: “microbial”
microbial (adjective) (not comparable)
Relating to or caused by micro-organisms: One of the most frequent imicrobial infections is the common cold.

COVID-19, caused by a microbial virus, created a world-wide pandemic in 2020.

This entry is located in the following units: -al; -ial, -eal (page 18) bio-, bi-, -bia, -bial, -bian, -bion, -biont, -bius, -biosis, -bium, -biotic, -biotical (page 43)