plural of co-dependence

(computing, database normalization) A constraint between two sets of attributes in a relation.

plural of dependent variable

a way of life characterized by a dependency on state benefits

(grammar) A subordinate clause.

(computer science) Making a distinction between upper-case and lower-case letters.

(algebra) In an equation, the variable whose value depends on one or more variables in the equation. / (sciences) An outcome measured to see the effectiveness of the treatment.

physical and psychological dependency on an addictive drug

A person in such a relationship

mutually dependent (especially of an unhealthy psychological relationship in which one person perpetuates another's addiction or harmful behaviour)