ETYM Old Eng. mediacioun, French médiation. Related to Mediate.
1. Negotiation to resolve differences conducted by some impartial party; SYN. arbitration.
2. The act of mediating; SYN. intermediation.
Technical term in G W F Hegel's philosophy, and in Marxist philosophy influenced by Hegel, describing the way in which an entity is defined through its relations to other entities.