Definition of agglomeration
1 : the action or process of collecting in a mass
the agglomeration of matter into stars and galaxies
2 : a heap or cluster of usually disparate (see disparate sense 1) elements
… an agglomeration of 100-year-old cottages with gingerbread scroll-saw ornamentation.— Ira Henry Freeman
3 : a large, densely and contiguously populated area consisting of a city and its suburbs
an urban agglomeration
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Semantic Drift Quiz
- Which of the following was once a synonym for fun?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZTest Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- Semantic Drift Quiz
A challenging quiz of changing words.
Take the quiz - Challenging Vocabulary Quiz Returns!
No tricks, just difficult words.
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Dictionary Devil
The dictionary has been scrambled—can you put i...
Play the game
Share agglomeration
Time Traveler for agglomeration
The first known use of agglomeration was in 1661
See more words from the same year