ag·​gre·​ga·​tion | \ ˌa-gri-ˈgā-shən How to pronounce aggregation (audio) \

Definition of aggregation

1 : a group, body, or mass composed of many distinct parts or individuals A galaxy is an aggregation of stars and gas.
2a : the collecting of units or parts into a mass or whole
b : the condition of being so collected

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Other Words from aggregation

aggregational \ ˌa-​gri-​ˈgā-​shnəl How to pronounce aggregational (audio) , -​shə-​nᵊl \ adjective

Examples of aggregation in a Sentence

Recent Examples on the Web The true value of the test, however, lies in the two-decade aggregation of implicit bias data, which has proven to be a goldmine for psychologists studying this phenomenon. Candice Wang, Popular Science, "Anti-Black bias affects just about everyone. What’s the best way to deal with implicit racism?," 17 June 2020 Besides Alibaba’s browser, its news aggregation feed, UC News, is also considered risky by India’s intelligence. Niharika Sharma, Quartz India, "Video-sharing, photo editing, e-commerce: 52 Chinese apps that Indian intelligence wants banned," 17 June 2020 It has been reviewed 190 times on review aggregation site Rotten Tomatoes—an astounding number for a film of its size. Adam Epstein, Quartz, "The pandemic is giving smaller films a chance to shine without blockbuster competition," 17 June 2020 These simple organizational rules facilitated broad participation, knowledge aggregation, and citizen learning. Federica Carugati, Wired, "A Council of Citizens Should Regulate Algorithms," 12 June 2020 One way that many sites keep a strong output of content to drive traffic is by picking up original reporting from other news outlets and rewriting it — known in the industry as aggregation. Kerry Flynn, CNN, "Refinery29 is reeling from claims of racism and toxic work culture. Employees say it's even worse behind the scenes," 11 June 2020 The aggregation, which factored in ABC/Washington Post, CNN, Fox News, Quinnipiac, and Monmouth polls, found a slight uptick in support for Biden compared to an April analysis that showed him ahead of Trump 48% to 43%. Spencer Neale, Washington Examiner, "CNN 'Poll of Polls' finds Biden lead over Trump is growing," 5 June 2020 And if nutrients return abruptly to the environment, the amoebas can’t reverse the aggregation process to access that food. Quanta Magazine, "Out-of-Sync ‘Loners’ May Secretly Protect Orderly Swarms," 21 May 2020 Quartz decided to look at data from review aggregation site Metacritic to see whether or not that reputation was accurate—and to look more closely at where Netflix’s content strengths and weaknesses are. Adam Epstein, Quartz, "Netflix’s best and worst programs, charted," 31 May 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aggregation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aggregation

1547, in the meaning defined at sense 1

History and Etymology for aggregation

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

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Time Traveler for aggregation

Time Traveler

The first known use of aggregation was in 1547

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Statistics for aggregation

Last Updated

2 Jul 2020

Cite this Entry

“Aggregation.” Dictionary, Merriam-Webster, Accessed 8 Jul. 2020.

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More Definitions for aggregation


ag·​gre·​ga·​tion | \ ˌa-gri-ˈgā-shən How to pronounce aggregation (audio) \

Kids Definition of aggregation

1 : the collecting of units or parts into a mass or whole The formation of a blood clot begins with the aggregation of platelets.
2 : a group, body, or mass composed of many distinct parts A galaxy is an aggregation of stars, gas, and dust.


ag·​gre·​ga·​tion | \ ˌa-grə-ˈgā-shən How to pronounce aggregation (audio) \

Legal Definition of aggregation

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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More from Merriam-Webster on aggregation

Thesaurus: All synonyms and antonyms for aggregation

Rhyming Dictionary: Words that rhyme with aggregation

Britannica English: Translation of aggregation for Arabic Speakers

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