A relation between living organisms (especially between people)(noun)
WordNet. Princeton University. 2010.
Use "social relation" in a sentence
"The right of a non-unionist to work in the same shop with a unionist is no more unconditional than the right to strike, to boycott, or to enter any social relation which requires the consent of the other party."
"But the relation between these series, on the one hand, and constructs of forms of social relation according to objective-conceptual viewpoints, on the other, is completely fortuitous."
"But Hull-House was soberly opened on the theory that the dependence of classes on each other is reciprocal; and that as the social relation is essentially a reciprocal relation, it gives a form of expression that has peculiar value."