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

Examples of aggregation in a Sentence

Recent Examples on the Web

During September and October, however, when the chimpanzees are frequently seen moving about in large aggregations, excitement, caused by this social stimulation, does appear to have a very marked effect upon reproductive behavior. National Geographic, "Jane Goodall’s original tale of chimpanzees still astonishes today," 17 Apr. 2019 This shedding may explain the aggregations of multiple Cambroraster in one place, Moysiuk notes, as modern arthropods often come together to exuviate their old exoskeletons. Riley Black, Smithsonian, "Prehistoric Ocean Predator Resembles a Large and Vicious Horseshoe Crab," 31 July 2019 Beijing Bytedance Technology, which runs popular apps such as the news aggregation platform Jinri Toutiao and the short-video service Douyin, was taken to task twice over the summer for spreading content that insulted national heroes. Liza Lin, WSJ, "Alibaba’s Jack Ma Denies Beijing Forced Him Out," 18 Sep. 2018 Joseph Romm of ThinkProgress is starting a progressive news aggregation site called Brian Stelter, CNN, "Seven days and seven examples of the alliance between Trump and Murdoch," 25 June 2019 As a result, what was a relatively united ideology is fast becoming an aggregation of raucous factions. WSJ, "Liberalism Has Evolved—How Liberal Is It?," 27 June 2019 The company has been spending to capture new users for its apps and platforms to compete with popular services like Bytedance Ltd.’s Jinri Toutiao news-aggregation app and Douyin short video app. Maria Armental, WSJ, "Baidu Forecasts Weaker Growth as Chinese Economy Slows," 22 Feb. 2019 This story is basically just an aggregation of a great tweet by Taylor Lorenz. Casey Newton, The Verge, "One easy thing Facebook should do in Myanmar," 10 Nov. 2018 Kuaishou was among the drafters as was Jinri Toutiao, a news aggregation app also run by Bytedance, according to the association’s website. Yoko Kubota, WSJ, "No Foot Fetishes or Affairs: Chinese Censors Crack Down on Short Videos," 10 Jan. 2019

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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Statistics for aggregation

Last Updated

18 Aug 2019

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Time Traveler for aggregation

The first known use of aggregation was in 1547

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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

More from Merriam-Webster on aggregation

Rhyming Dictionary: Words that rhyme with aggregation

Britannica English: Translation of aggregation for Arabic Speakers

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