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Definition of aggregation
aggregation
/ˌæɡ.rɪˈɡeɪ.ʃən/
ag · gre · ga · tion
Plural:aggregations
•Adjective:aggregational
aggregation Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Top 10k
Syllables
4
aggregation Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The formation of a number of distinct things into a cluster, mass, or unified whole; the act or process of collecting units together.
Example
"The financial report relies on the careful aggregation of quarterly sales figures from all regional branches."
2
A group, mass, or cluster composed of several distinct elements, items, or individuals gathered together.
Example
"Marine biologists observed a dense aggregation of jellyfish drifting near the coral reef."
Synonyms
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• Nearby Words
Word Origin & Etymology
Borrowed in the late Middle English period from Late Latin aggregatio, derived from the verb aggregare ('to add to a flock' or 'to bring together'), combining ad- ('toward') and grex ('flock' or 'herd').
Cite this Entry
Wordmom. (2026). Definition of Aggregation. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/aggregation