aggregation

American  

[ag-ri-gey-shuhn] / ˌæg rɪˈgeɪ ʃən /

noun

1. a group or mass of distinct or varied things, persons, etc..

   an aggregation of complainants.

2. collection into an unorganized whole.

3. the state of being so collected.

4. Biology, Ecology. a group of organisms of the same or different species living closely together but less integrated than a society.

---

Other Word Forms

• aggregational adjective
• reaggregation noun
• subaggregation noun

Etymology

Origin of aggregation

First recorded in 1540–50; from Medieval Latin aggregātiōn-, stem of aggregātiō “a flocking together, gathering”; aggregate, -ion

Example Sentences

Spreads for an aggregation of 10 year investment grade U.S. bonds have risen to 0.86% from a 2026 low of 0.73% in late January, according to St. Louis Fed data.

From Barron's • Mar. 3, 2026

As much as it’s a streaming company, Netflix is also a data aggregation and analysis company.

From Salon • Jan. 25, 2026

So far, The Bone Temple has received positive reviews, achieving 94% on film reviews aggregation site Rotten Tomatoes.

From BBC • Jan. 16, 2026

Ongoing disputes over gas aggregation and control with Sarawak could erode Petronas’ long-term position, prompting the company to diversify aggressively, it says.

From The Wall Street Journal • Nov. 26, 2025

It is in the abrupt, unaccountable aggregation of random notions, intuitions, known in science as good ideas, that the high points are made.

From "The Lives of a Cell" by Lewis Thomas