noun which may take the genitive case particle 'no', noun
Describes the inherent toxicity of a substance, often used in medical or scientific contexts.
このキノコには中毒性があるので、食べてはいけません。
This mushroom is poisonous, so you must not eat it.
noun
Refers to the addictive quality of substances, activities, or media, commonly used in everyday language.
このゲームは中毒性が高くて、やめられない。
This game is highly addictive; I can't stop playing.
依存性 emphasizes physical or psychological dependence, often used in clinical contexts, whereas 中毒性 is broader and includes casual addictiveness.
Compound of 中毒 (chūdoku, 'poisoning' or 'addiction') and 性 (sei, 'nature' or 'property').