aggregation

noun

ag·​gre·​ga·​tion ˌa-gri-ˈgā-shən 

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 

adjective

Examples of aggregation in a Sentence

Recent Examples on the Web

The third element involves moving the listing to multiple listing services, or MLS, and onto aggregation sites like Zillow. —Aimee Picchi, CBS News, 23 June 2025

The waters here are home to spectacular marine wildlife, including humpback whales, manta rays, sea turtles, and one of the largest aggregations of whale sharks in the world, making this spot a Shangri-La for ocean lovers. —Chloe Berge, Outside Online, 17 June 2025

Agents are capable of independently navigating multiple sources to retrieve information or services, making centralized aggregation less necessary. —Egor Pushkin, Forbes.com, 4 June 2025

Pollster Nate Silver’s aggregation of polls found Musk had an average 39% approval-54% disapproval rating. —Naomi Lim, The Washington Examiner, 1 June 2025

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

Phrases Containing aggregation

• sign of aggregation

Rhymes for aggregation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

aggregation

noun

ag·​gre·​ga·​tion ˌag-ri-ˈgā-shən 

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 

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