ag·glom·er·a·tion \ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈrāshən\noun (-s) 1.: the action or process of collecting in a mass : an agglomerated condition < protection against caking and agglomeration > 2.: an indiscriminately formed mass : a cluster of disparate elements < the agglomeration of buildings which somehow made up this town — Elizabeth Bowen >