biohazard
bio·ha·zard
noun
1.
hazard to humans or the environment resulting from biological agents or conditions
2.
any bacterium or virus or toxin that could be used in biological warfare
Origin
From bio- + hazard.
Related words
Word family
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.