n.
Pronunciation: ' b ī - ō - ˌ ha-z ə rd
Function: noun
Date: 1967
: 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 \ ˌ b ī - ō - ' ha-z ə r-d ə s \ adjective