dependence
US /dɪˈpen.dəns/
UK /dɪˈpen.dəns/

1.
the state of relying on or being controlled by someone or something else
:
•
The country's dependence on oil exports makes its economy vulnerable.
•
Children have a natural dependence on their parents.
2.
addiction to a drug or alcohol
:
•
He sought treatment for his drug dependence.
•
Alcohol dependence can have serious health consequences.