bio·haz·ard 
/ˈbajoʊˌhæzɚd/ noun
plural bio·haz·ards /ˈbajoʊˌhæzɚd/ noun [count] : a biological or chemical substance or situation that is dangerous to human beings and the environment
▪ The gasoline spill created a serious biohazard.
▪ The gasoline spill created a serious biohazard.
— bio·haz·ard·ous /ˌbajoʊˈhæzɚdəs/ adjective
▪ biohazardous materials
▪ biohazardous materials
