biohazard
1 synonym for biohazard, grouped by meaning and by how common each one is.
Noun — A biological substance, such as bacteria, a virus, or human waste, that poses a risk to health.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use biohazard
The word patterns that sound natural to a native speaker.
Etymology
A compound of "bio-" (life/living) and "hazard," coined in the mid-20th century as biological safety became a formal field.
Full origin of biohazard →