---
tag: 0NQSV2EWDR
kind: concept
name: Winding number
aliases: [winding-index]
msc: [55M25]
sources:
  - url: https://en.wikipedia.org/wiki/Winding_number
    locator: lead section
same_as:
  wikidata: Q576728
  wikipedia: Winding number
---

## Summary

The winding number of a closed curve around a point is the integer that counts the counterclockwise turns of the curve around the point. See the [[definition|0X7SBS8E0F]].