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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) material of biological origin that is hazardous to humans
ˌbioˈhazardous adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈbaɪ oʊˌhæz ərd)

1. a pathogen, esp. one used in or produced by biological research.
2. the health risk posed by such a pathogen.
bi`o•haz′ard•ous, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.biohazard - hazard to humans or the environment resulting from biological agents or conditionsbiohazard - hazard to humans or the environment resulting from biological agents or conditions
health hazard - hazard to the health of those exposed to it
2.biohazard - any bacterium or virus or toxin that could be used in biological warfarebiohazard - any bacterium or virus or toxin that could be used in biological warfare
agent - an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n riesgo or peligro biológico
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Securely transport medical specimens and isolate related paperwork in the double-pocket, two-mil (1/1000-inch thick) polyethylene Biohazard Specimen Bag.
Collect contaminated non-sharp waste--petri dishes, pipettes, test tubes, applicator sticks, and swabs--in the Terminal Biohazard Keeper Bench-Top Model.
The system incorporates a pierceable stopper consisting of a thin diaphragm which, when pierced by the pipette, ensures a leakproof seal, guarantees a completely closed system, eliminates pipette filling and biohazard potentials, and permits safe disposal.
The entire aliquotting process is completed in an enclosed environment without manual assistance or intervention, ensuring that staff remains safe from injury or biohazard contamination.