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

Especially since aggregation areas can be hotspots for fishing activity too, which puts even more pressure on vulnerable species. —Melissa Cristina Márquez, Forbes.com, 6 Aug. 2025

If that’s the case, cable TV may effectively morph into the primary aggregation video service for sports. —Alex Sherman, CNBC, 31 July 2025

Furthermore, the team found that the aggregation reaction begins at one of the tightly packed, water-repellent ends of the peptide, which is known as the C-terminal region. —Ian Randall, MSNBC Newsweek, 13 June 2025

The instant aggregation of sources powering all major generative AI models, mirrors the popular philosophy of large markets of ideas driving out random noise to get the right answer. —Jeffrey Sonnenfeld, Time, 16 July 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