noun
toxicity; virulence
Refers to the degree or property of being poisonous or harmful, often used in scientific, medical, or environmental contexts.
この化学物質の毒性はまだ十分に解明されていない。
The toxicity of this chemical substance has not yet been fully elucidated.
noun which may take the genitive case particle 'no'
Used attributively with の to describe something as having toxic properties; common in phrases like 毒性のある物質 (toxic substance).
毒性のあるキノコを誤って食べてしまった。
I accidentally ate a poisonous mushroom.