aggregation

Everyday

1. Aggregation is bringing many things together into one group or total. tree →
2. An aggregation is a group or mass of things, animals or people gathered together. tree →
3. (formal, data) Aggregation is combining many numbers into one, such as a total or an average. tree →

In the lessons

Used in science (an aggregation of ladybirds, fish shoals), maths and data (aggregation of scores), and websites that collect news from many sources (news aggregation).

Examples

• An aggregation of ladybirds spent the winter under the bark. tree →
• The website is an aggregation of news from many papers. tree →
• Aggregation of the test scores gave the class average. tree →
• A huge aggregation of jellyfish washed up on the beach. tree →
• The report used aggregation, so no single pupil's mark is shown. tree →
• Cities are an aggregation of many small communities. tree →

Note

Formal word. Verb: «aggregate». In maths, aggregation often means adding up (a total) or finding an average; check which one the problem means.