dependence; addictiveness
Refers to the property of causing psychological or physical dependence, often used in medical, pharmacological, or social contexts.
This medicine has a high potential for dependence, so caution is needed.
The addictiveness of smartphones has become a problem.
中毒性 emphasizes toxicity or poisoning, often used for substances; 依存性 is broader and includes psychological dependence.
Compound of 依存 (izon, 'dependence') + 性 (sei, 'nature, property'). The reading いぞん is a common variant of いそん.