---
tag: 0B8837S5T3
kind: concept
name: Essential singularity
aliases: [essential-singular-point]
msc: [30D30]
sources:
  - url: https://en.wikipedia.org/wiki/Essential_singularity
    locator: lead section
same_as:
  wikidata: Q1876526
  wikipedia: Essential singularity
---

## Summary

An essential singularity is an isolated singularity that is neither removable nor a pole, see the [[definition|0YKDJBV26S]].
Near an essential singularity, a function comes arbitrarily close to every complex value.