Dictionary
biohazard
noun bio·haz·ard \ˈbī-ō-ˌha-zərd\
: a biological or chemical substance or situation that is dangerous to human beings and the environment
Full Definition of BIOHAZARD
: 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
See biohazard defined for English-language learners
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First Known Use of BIOHAZARD
1967
Rhymes with BIOHAZARD
Medical Dictionary
biohazard
noun bio·haz·ard \ˈbī-ō-ˌhaz-ərd, -ˈhaz-\
Medical Definition of BIOHAZARD
: a biological agent or condition (as an infectious organism or insecure laboratory procedures) that constitutes a hazard to humans or the environment; also : a hazard posed by such an agent or condition
—bio·haz·ard·ous \-ˈhaz-ərd-əs\ adjective
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