— aggregational , adj.
/ag'ri gay"sheuhn/ , n.
1. a group or mass of distinct or varied things, persons, etc.: an aggregation of complainants.
2. collection into an unorganized whole.
3. the state of being so collected.
4. Biol. , Ecol. a group of organisms of the same or different species living closely together but less integrated than a society.
[ 1540-50; aggregation- (s. of aggregatio ); see AGGREGATE, -ION ]