bacterial
Bacterial (adj) means Caused by, related to, or involving bacteria. Example: “The doctor prescribed antibiotics to treat the bacterial infection.”
How to use bacterial
Learner’s notesIn plain EnglishDescribes anything to do with bacteria — an infection, a disease, or a process caused by them.
Fill the gap
Can you complete this real example?
The doctor prescribed antibiotics to treat the _____ infection.
Etymology
Formed by adding the adjective ending -al to "bacteria."