---
tag: 0KW3PN547K
kind: concept
name: Diameter of a set
msc: ["54E35"]
sources:
  - url: https://en.wikipedia.org/wiki/Diameter
    locator: Generalizations
---

## Summary

The diameter of a subset of a metric space is the supremum of the distances between pairs of its points.
It generalizes the diameter of a circle.