biohazard

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biohazard

(bī′ō-hăz′ərd)
n.
1. A biological agent, such as an infectious microorganism, or a condition that constitutes a threat to humans, especially in biological research or experimentation.
2. The potential danger, risk, or harm from exposure to such an agent or condition.

bi′o·haz′ard·ous (-ər-dəs) adj.

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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Biohazard label

biohazard

A general term for pathogenic bacteria, viruses or other dangerous biologic agents, which may arise in clinical specimens or have been created by genetic recombination.

bi·o·haz·ard

(bī'ō-haz'ărd)
Contaminated or infective waste such as blood and body fluids.

bi·o·haz·ard

(bī'ō-haz'ărd)
Any material, substance, or item usually contaminated with transmissible pathogenic microorganisms (e.g., bacteria, viruses) that poses a risk to health.