---
tag: YF28PDQS06
kind: concept
name: Isolated
sources:
  - wikipedia: en:325802@r1373839425
    locator: Glossary of graph theory, section I
    note: adopted
    mention: wikipedia://en/325802#9IDV
    sections: [Summary]
inventory: [DK4BBQFWKJ]
---

## Summary

An isolated vertex of a graph is a vertex whose degree is zero, that is, a vertex with no incident edges.