| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| biohazard |
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| SYLLABICATION: | bi·o·haz·ard |
| PRONUNCIATION: |  b   -h z  rd |
| NOUN: | 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.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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