What is cerumen commonly known as?

Cerumen is commonly known as earwax. It is a natural substance produced by glands in the ear canal that serves several important functions. Earwax helps to protect the ear by trapping dust, debris, and microorganisms, preventing them from reaching the deeper parts of the ear. Additionally, it has antimicrobial properties that can help reduce the risk of infections and plays a role in keeping the ear canal lubricated.

The other options do not accurately represent cerumen. Ear fluid might suggest the presence of other bodily fluids, while hearing aid wax implies a specific context that detracts from the general term for earwax. Ear moisture does not convey the same idea and could refer to a range of fluids or conditions unrelated to cerumen. Therefore, the term earwax is the correct identification for cerumen, as it specifically describes this waxy substance produced in the ear.