noun
toxicity; toxic property
Refers to the inherent poisonous quality of a substance. Often used in scientific or technical contexts.
この化学物質の毒質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.
毒質の強いキノコには注意が必要だ。
You need to be careful with mushrooms that have strong toxic properties.