1. biological substances that pose a threat to the health of living organisms or the environment
Usage: plural form of biohazard; commonly used in medical and laboratory contexts

Examples

• The laboratory has strict protocols for handling biohazards.
• Medical waste containers are clearly marked with biohazard symbols.
• Scientists must wear protective equipment when working with biohazards.
• The cleanup crew specialized in removing biohazards from contaminated areas.
• Hospital staff receive training on proper disposal of biohazards.
• The research facility maintains a secure storage area for biohazards.