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 most dramatic version of this convergence is aggregation. — Elsa Keslassy, Variety, 8 Oct. 2026

Avalo is piloting a demand aggregation campaign with World Collective, a supplier-first sourcing platform for fashion, wherein brands of every size will be able to pool together to have access to low-footprint cotton while supplies last. — Roy Stephen Canivel, Footwear News, 8 Oct. 2026

Darline Graham is 2 percentage points ahead of Andrews, according to a RealClearPolitics polling aggregation. — Naomi Lim, The Washington Examiner, 8 Oct. 2026

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

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