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
ˌa-gri-ˈgā-sh(ə-)nəl How to pronounce aggregation (audio)
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 use of centralized systems relies on the data aggregation, while the use of localized systems requires the duplication of systems. — Sanjay Ghare, Forbes.com, 1 July 2026 The image was shared by the celebrity news aggregation Instagram account @deuxmoi, which credited the pop culture outlet @backgrid_usa with finding the photo. — Bryan West, USA Today, 4 July 2026 Prime’s strategy, which isn’t particularly new, nonetheless meets a moment when the streaming business across Asia is maturing, pushing players of every size toward bundling and aggregation rather than the head-to-head fight for subscribers that characterized the first phase of the streaming wars. — Patrick Brzeski, HollywoodReporter, 18 June 2026 Using holographic imaging technology, scientists will also investigate particle aggregation to determine how the lake’s physical dynamics cause particles to clump together and sink, affecting water clarity. — Reeti Malhotra, Sacbee.com, 15 June 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

Phrases Containing aggregation

Rhymes for aggregation

See All Rhymes for aggregation

Browse Nearby Words

aggregate ray
aggregation
aggregative
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Cite this Entry

“Aggregation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aggregation. Accessed 9 Jul. 2026.

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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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