Dictionary.com

biohazard

[ bahy-oh-haz-erd ]
/ ˈbaɪ oʊˌhæz ərd /
Save This Word!

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.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of biohazard

OTHER WORDS FROM biohazard

bi·o·haz·ard·ous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use biohazard in a sentence

British Dictionary definitions for biohazard

biohazard
/ (ˌbaɪəʊˈhæzəd) /

noun
material of biological origin that is hazardous to humans

Derived forms of biohazard

biohazardous, 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

Medical 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.

Scientific 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.
FEEDBACK