bi·o·haz·ard (b   -h z  rd)n. 1. A biological agent, such as a virus or a condition that constitutes a threat to humans, especially in biological research or experimentation. 2. The potential danger or harm from exposure to such an agent or condition. |
biohazard
[-haz′ərd]
Etymology: Gk, bios, life; OFr, hasard
anything that is a risk to organisms, such as ionizing radiation or harmful bacteria or viruses.
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