The Open Dictionary

biohazard

noun

UK/ˌbaɪ.əʊˈhæz.əd/
US/ˌbaɪ.oʊˈhæz.ɚd/

Definitions of biohazard noun

  1. Countable

    A biological substance or condition that poses a risk to the health of living organisms, including humans, animals, or the environment.

    • Laboratories must have strict protocols for handling biohazards.

    • Untreated medical waste is considered a biohazard.

    • A spill of biohazardous material must be cleaned up immediately.