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

Other Words from aggregation

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

Examples of aggregation in a Sentence

Recent Examples on the Web Upon its debut, the film scored a 97% fresh rating on review-aggregation site Rotten Tomatoes and an equally glowing A-plus from audiences polled by CinemaScore. Los Angeles Times, 12 July 2022 Not that any of them have been exactly skewered on the review aggregation site, mind you. Andy Meek, BGR, 5 July 2022 Job listings on Indeed, the large job aggregation site, are down from their previous highs. Jack Kelly, Forbes, 24 June 2022 As well as an even stronger audience score of 90 percent on the review aggregation website. Andy Meek, BGR, 8 June 2022 The aggregation of events, metrics, and traces, which are inherent to an IT stack, into an observability platform ensures the integrity and resiliency of a system. Patrick Moorhead, Forbes, 2 June 2022 Data platforms enable the continuous aggregation, processing and normalization of data from literally all available sources. Abhinav Shashank, Forbes, 16 June 2022 The point of aggregation has changed A Roku acquisition could also improve Netflix’s competitive position, which has changed as the industry has matured. Walter Frick, Quartz, 8 June 2022 Over at the review aggregation site Rotten Tomatoes, meanwhile, Season 2 of Russian Doll currently enjoys a perfect 100 percent critics score. Andy Meek, BGR, 20 Apr. 2022 See More

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.

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

Learn More About aggregation

Time Traveler for aggregation

Time Traveler

The first known use of aggregation was in 1547

See more words from the same year

Dictionary Entries Near aggregation

aggregate ray



See More Nearby Entries 

Statistics for aggregation

Last Updated

27 Jul 2022

Cite this Entry

“Aggregation.” Dictionary, Merriam-Webster, Accessed 7 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

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

Thesaurus: All synonyms and antonyms for aggregation

Britannica English: Translation of aggregation for Arabic Speakers


Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!