Agglomerating

from The Collaborative International Dictionary of English v.0.48

Agglomerate \Ag*glom"er*ate\, v. t. [imp. & p. p.
   {Agglomerated}; p. pr. & vb. n. {Agglomerating}.] [L.
   agglomeratus, p. p. of agglomerare; ad + glomerare to form
   into a ball. See {Glomerate}.]
   To wind or collect into a ball; hence, to gather into a mass
   or anything like a mass.
   [1913 Webster]

         Where he builds the agglomerated pile.   --Cowper.
   [1913 Webster]