biohazard /ˈbajoʊˌhæzɚd/ noun plural biohazards
plural biohazards
Learner's definition of BIOHAZARD
[count]
: a biological or chemical substance or situation that is dangerous to human beings and the environment（危害人类及环境的）有害生物物质；生物危害
— biohazardous
/ˌbajoʊˈhæzɚdəs/ adjective