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.

QUIZZES

CHALLENGE YOURSELF WITH THIS MIDDLE SCHOOL PART OF SPEECH QUIZ!

How well do you know your adjectives from your adverbs? Your preposition from your pronouns? Your interjections from your conjunctions? Let’s put your knowledge of parts of speech to the text! Note: Many of the following questions will ask you to identify the parts of speech “in order.” That means the first word in all capital letters will correspond to the first option in an answer, and so on.
Question 1 of 10
In order, what parts of speech are the words in all capital letters? Alisa was VERY tired, SO she decided to go to bed.

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. 2020

Example sentences from the Web for biohazard

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.