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biohazard

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bi⋅o⋅haz⋅ard

  [bahy-oh-haz-erd]
Use biohazard in a Sentence
–noun
1. a pathogen, esp. one used in or produced by biological research.
2. the health risk posed by the possible release of such a pathogen into the environment.
Origin:
bio- + hazard

Related forms:
bi⋅o⋅haz⋅ard⋅ous, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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bi·o·haz·ard   (bī'ō-hāz'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.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: bio·haz·ard
Pronunciation: 'bI-O-"haz-&rd, -'haz-
Function: noun
: a biological agent or condition (as an infectious organismor insecure laboratory procedures) that constitutes a hazard to humans or the environment; also : a hazard posed by such an agent or condition —bio·haz·ard·ous /-'haz-&rd-&s/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

biohazard bi·o·haz·ard (bī'ō-hāz'ərd)
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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
biohazard   (bī'ō-hāz'ərd)  Pronunciation Key 
A biological agent, such as an infectious microorganism, that constitutes a threat to humans or to the environment, especially one produced in biological research or experimentation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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