biohazard

[ bahy-oh-haz-erd ]

/ ˈbaɪ oʊˌhæz ərd /

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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.

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of biohazard

bio- + hazard

OTHER WORDS FROM biohazard

bi·o·haz·ard·ous, adjective

Words nearby biohazard

biographee, biographer, biographical, biographize, biography, biohazard, bioherm, bioindustry, bioinformatics, bioinorganic, bioinstrumentation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use biohazard in a sentence

An NBC7 investigation reported that the city spends nearly $1 million a year cleaning human feces and other biohazards off city streets.
The Mayor’s Full Take on Public Restrooms: There’s No Problem|Scott Lewis and Andrea Lopez-Villafaña|November 24, 2021|Voice of San Diego
The city has tried several things to address the issue, still it spends nearly $1 million a year cleaning human feces and other biohazards off the street, according to an NBC7 investigation.
Morning Report: San Diego Still Struggles With Access to Public Restrooms|Voice of San Diego|November 23, 2021|Voice of San Diego
The city has a lot to lose by not addressing this issue, too, as it spends nearly $1 million a year cleaning human feces and other biohazards off the street, according to an NBC7 investigation.
San Diego Still Can’t Solve Its Public Restroom Problem|Bella Ross|November 23, 2021|Voice of San Diego
Medical staff members wear green biohazard suits, face shields, latex gloves and shoe coverings.
I Didn't Want to Push My Aunt to Get the Vaccine. Now I Live With Regrets|Ross Dellenger|September 12, 2021|Time

A yellow-and-magenta biohazard sign hangs next to a yellow one that says “No Trespassing, by order of the United States Department of Energy.”
Once the Uranium Capital of the World, Moab, Utah, wants to unload its radioactive legacy|Sarah Scoles|September 9, 2021|Popular-Science
“Turns out the prunes aren't the only flavor that result in a biohazard situation,” she wrote in April.
The Crazy Baby Food Diet|Gina Piccalo|September 22, 2010|DAILY BEAST
She pulled off her bloody gloves and dropped them in a bright red biohazard can.
Dr. Scarpetta Heads to Psych Ward|Daily Beast Promotions|February 23, 2009|DAILY BEAST

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

Scientific definitions for biohazard

biohazard

[ bī′ō-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.