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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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
biohazardA general term for pathogenic bacteria, viruses or other dangerous biologic agents, which may arise in clinical specimens or have been created by genetic recombination.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Contaminated or infective waste such as blood and body fluids.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Any material, substance, or item usually contaminated with transmissible pathogenic microorganisms (e.g., bacteria, viruses) that poses a risk to health.
Medical Dictionary for the Dental Professions © Farlex 2012