de·pen·dence also de·pen·dance 
(dĭ-pĕndəns)
(dĭ-pĕndəns)n.
1.
a. The state of being determined, influenced, or controlled by something else: the economy's dependence on oil.
b. The state of being dependent on another for financial support.
2. The condition of being dependent on a substance such as a drug or on a given behavior: alcohol dependence; gambling dependence.
3. Archaic Trust; reliance.