# agglomeration

> English word · Noun · frequency rank #50,923

## Definitions
1. The act or process of collecting in a mass; a heaping together.
2. State of being collected in a mass; a mass; cluster.
3. An extended city area comprising the built-up area of a central city and any suburbs linked by continuous urban area.
4. A mass of large volcanic fragments bonded under heat.

## Etymology
From Latin agglomerātiō. By surface analysis, agglomerate + -ion.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/agglomeration