Five features of emerging adults. As Arnett describes it, emerging adulthood can be defined as an: Age of identity exploration. Young people are deciding who they are and what they want out of work, school and love. Age of instability.
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.
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.â bioÂ·hazÂ·ardÂ·ous \ËbÄ«-Å-Ëha-zÉr-dÉs\ adjective.See biohazard defined for English-language learners. a biological agent or condition that is a hazard to humans or the environment; also: a hazard posed by such an agent or condition. â bioÂ·hazÂ·ardÂ·ous \ËbÄ«-Å-Ëha-zÉr-dÉs\ adjective. See biohazard defined for English-language learners.