In general, to aggregate (verb, from Latin aggregare meaning to add to) is to collect things together. An aggregate (adjective) thing is a collection of other things. An aggregation is a collection.
In information technology, individual items of data are sometimes aggregated into a database. Unlike marshalling , aggregation doesn't require giving one thing precedence over another thing.
The noun has special meanings in geology and in building construction.
21 Sep 2005