aggregation

• Rhymes: -eɪʃən

aggregation (plural aggregations)

1. The act of collecting together (aggregating).
2. The state of being collected into a mass, assemblage, or sum (aggregated).
3. A collection of particulars; an aggregate.
4. (networking) Summarizing multiple routes into one route.
5. (epidemiology) The majority of the parasite population concentrated into a minority of the host population.
6. (object-oriented programming) Kind of object composition which does not imply ownership.
   • 2002, Kirk Knoernschild, Addison-Wesley Professional, editor, Java Design: Objects, UML, and Process‎:

     The difference between an association and an aggregation is entirely conceptual and is focused strictly on semantics.

• disgregation