Definition of "aggregation"

The act of collecting together, of aggregating.  examples

The state of being collected into a mass, assemblage, or (aggregated) sum.  examples

A collection of particulars; an aggregate.  examples

(networking) Summarizing multiple routes into one route.  examples

(epidemiology) The majority of the parasite population concentrated into a minority of the host population.

(object-oriented programming) Kind of object composition which does not imply ownership.  quotations  examples