A relationship involving two entities.

A social interaction between two people or groups.

दो लोगों या समूहों के बीच सामाजिक बातचीत

English Usage: The dyadic relation in their friendship was evident during their discussions.

Hindi Usage: उनकी दोस्ती में dyadic relation उनके चर्चाओं के दौरान स्पष्ट था।