bi·o·haz·ard (b   -h z  rd)n. 1. A biological agent, such as an infectious microorganism, or a condition that constitutes a threat to humans, especially in biological research or experimentation. 2. The potential danger, risk, or harm from exposure to such an agent or condition. |
biohazard [ˌbaɪəʊˈhæzəd]
n
(Life Sciences & Allied Applications / Biology) material of biological origin that is hazardous to humans
biohazardous adj
| biohazard (b-hzrd) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  biohazard - hazard to humans or the environment resulting from biological agents or conditionshealth hazard - hazard to the health of those exposed to it |
| 2. | biohazard - any bacterium or virus or toxin that could be used in biological warfare agent - an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents" |
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