The ☣ biohazard emoji is a symbol used to represent biological hazards or dangerous materials. It is often used in situations where there is a risk of contamination, such as in laboratories or hospitals.
People searching for the ☣ biohazard emoji might use phrases such as "biohazard symbol," "dangerous materials symbol," or "hazardous substance warning." It can also be useful for people working in fields such as healthcare, science, or engineering, as well as anyone concerned with safety and proper handling of potentially dangerous materials.