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

In an August 2024 letter first reported by Semafor, editorial staff said OpenAI was hallucinating Atlantic stories and linking to aggregation of the publication’s reporting. — Max Tani, semafor.com, 5 Oct. 2026

The cloud is the right home for training and aggregation; decisions increasingly belong at the edge, where latency and sovereignty are physics, not preferences. — Expert Panel®, Forbes.com, 24 Sep. 2026

In a culture of aggregation and AI summary, the stiffest original thinking still feels as supple as a tone poem, and genuine intellectual ambition akin to a secular miracle. — Matt Brennan, Los Angeles Times, 10 Sep. 2026

According to ZincFive, this eliminates the need for third-party unmanaged network switches and an additional data aggregation layer. — Kaif Shaikh, Interesting Engineering, 10 Sep. 2026

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