aggregation

noun

ag·​gre·​ga·​tion ˌa-gri-ˈgā-shən How to pronounce aggregation (audio)
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.
Nate Williams, Rockets (NG) Williams has a $2.2 million deal for the coming season that doesn’t guarantee until opening night, which means the Rockets are likely to drag this out all summer and see if his contract is useful for aggregation in a salary match. John Hollinger, New York Times, 18 June 2025 The White House recently launched a Drudge lookalike site, featuring a similar style of aggregation directing visitors to pro-Trump stories and articles. Dominick Mastrangelo, The Hill, 29 May 2025 What’s more, small gambles offer opportunities for the risk-reducing effects of aggregation. Tim Koller, Time, 20 May 2025 Startups serving Southeast Asia also face unique challenges as the economy is an aggregation of different countries with different languages, cultures, regulatory environments and more. Ernestine Siu, CNBC, 25 Apr. 2025 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 16 Jul. 2025.

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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