dependency
n. countable B2 Upper Intermediate US //dɪˈpɛndənsi// UK //dɪpˈɛndənsi// de·pen·den·cy
n. the state of relying on someone or something else for support or help. You use this when you cannot do something alone.
n. the condition of relying on another person, group, or thing for support, aid, or existence. Often used in technical contexts to describe a system component that requires another to function.
The child showed a strong dependency on his parents.
The company's heavy dependency on one supplier made it vulnerable to price hikes.
Modern software architecture aims to reduce dependency between modules, allowing developers to update individual components without breaking the entire system.
From dependent + -cy or dependence + -y or depend + -ency.