Aggregation may refer to: Link aggregation, using multiple Ethernet network cables/ports in parallel to increase link speed. Packet aggregation, joining multiple data packets for transmission as a single unit to increase network efficiency. Purchasing aggregation, combining multiple users of a specific material or service to increase the purchasing power of the combined group. Particle aggregation, direct mutual attraction between particles (atoms or molecules) via van der Waals forces or ch… (More on Aggregation)