: a biological agent or condition that is a hazard to humans or the environment; also : a hazard posed by such an agent or condition
— bio·haz·ard·ous \ˌbī-ō-ˈha-zər-dəs\ adjective
defined for English-language learners
Examples of BIOHAZARD
- The gasoline spill created a serious biohazard.
First Known Use of BIOHAZARD