aggregation

noun

ag·​gre·​ga·​tion ˌa-gri-ˈgā-shən How to pronounce aggregation (audio)
Synonyms of aggregationnext
1
: a group, body, or mass composed of many distinct parts or individuals
A galaxy is an aggregation of stars and gas.
2
a
: the collecting of units or parts into a mass or whole
b
: the condition of being so collected
aggregational adjective

Examples of aggregation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The daily aggregation serves a broad audience spanning from Fortune 500 companies to scholarship students, allowing readers across sectors and backgrounds to quickly understand policy developments affecting California without requiring specialized knowledge. Los Angeles Times, 5 Apr. 2026 Also, in fragmented, informal markets, aggregation is power. Maurizio Caio, semafor.com, 2 Mar. 2026 But reform must always preserve independence, aggregation, permanence and clarity. Tim Regan-Porter, Denver Post, 2 Mar. 2026 This phenomenon is called aggregation. Arricca Elin Sansone, Southern Living, 1 Mar. 2026 See All Example Sentences for aggregation

Word History

Etymology

Middle English aggreciacioun "process of adding numbers, gathering of pus or humors," borrowed from Late Latin aggregātiōn-, aggregātiō "gathering together," from Latin aggregāre "to cause to flock together, aggregate entry 2" + -tiōn-, -tiō, suffix of action nouns

First Known Use

1547, in the meaning defined at sense 1

Time Traveler
The first known use of aggregation was in 1547

Browse Nearby Words

Cite this Entry

“Aggregation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aggregation. Accessed 8 Apr. 2026.

Kids Definition

aggregation

noun
ag·​gre·​ga·​tion ˌag-ri-ˈgā-shən How to pronounce aggregation (audio)
1
: the collecting of units or parts into a mass or whole
2
: a group, body, or mass composed of many distinct parts

Legal Definition

aggregation

noun
ag·​gre·​ga·​tion ˌa-grə-ˈgā-shən How to pronounce aggregation (audio)
1
: the collecting of individual units (as damages) into a whole
2
: a collection of separate parts that is unpatentable because no integrated mechanism or new and useful result is produced compare combination, equivalent

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