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.

---

aggregation British  

/ ˌæɡrɪˈɡeɪʃən /

noun

1. the act or process of aggregating

2. ecology dispersion in which the individuals of a species are closer together than if they were randomly dispersed

---

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

History as we experience it at the sharp end is the aggregation of moral choices made by individual human beings.

From Salon • Mar. 28, 2026

The study appears in the journal Animal Behaviour under the title: "Rolling in the deep: drivers of social preferences and social interactions within a bull shark aggregation in Fiji."

From Science Daily • Mar. 17, 2026

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

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

From BBC • Jan. 16, 2026

Ang Dorje hailed from Pangboche, an aggregation of stonewalled houses and terraced potato fields clinging to a rugged hillside at 13,000 feet.

From "Into Thin Air" by Jon Krakauer