D defs.my
Entry 2 senses Webster, 1913

Agglomeration

/əg-lämˌ-ẽr-āsh'-ən/ · Ag·glom·er·a·tion · IPA /əɡlˌɑmərˈeɪʃən/
01 n. The act or process of collecting in a mass; a heaping together.
  1. 1.
    The act or process of collecting in a mass; a heaping together.
    “An excessive agglomeration of turrets.” — Warton.
  2. 2.
    State of being collected in a mass; a mass; cluster.