biohazard

[ bahy-oh-haz-erd ]
/ ˈbaɪ oʊˌhæz ərd /
|

noun

a pathogen, especially one used in or produced by biological research.
the health risk posed by the possible release of such a pathogen into the environment.

Nearby words

  1. biographee,
  2. biographer,
  3. biographical,
  4. biographize,
  5. biography,
  6. bioherm,
  7. bioindustry,
  8. bioinformatics,
  9. bioinorganic,
  10. bioinstrument

Origin of biohazard


Related formsbi·o·haz·ard·ous, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for biohazard



British Dictionary definitions for biohazard

biohazard

/ (ˌbaɪəʊˈhæzəd) /

noun

material of biological origin that is hazardous to humans
Derived Formsbiohazardous, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for biohazard

biohazard

n.

also bio-hazard, 1973, from bio- + hazard (n.).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for biohazard

biohazard

[ bīō-hăz′ərd ]

n.

A biological agent, such as a virus or a condition that constitutes a threat to humans, especially in biological research or experimentation.
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.

Science definitions for biohazard

biohazard

[ bīō-hăz′ərd ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.