What does agglomerate mean?
The definition of agglomerate
Ag*glom”er*ate, v. t.
[imp. & p. p. Agglomerated; p. pr. & vb. n.Agglomerating.]
Etym: [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. Where he builds the agglomerated pile. Cowper.

Ag*glom”er*ate, v. i.
To collect in a mass.
Ag*glom”er*ate, n.
1 A collection or mass.
2 (Geol.)
A mass of angular volcanic fragments united by heat; — distinguished from conglomerate.