##  [Engulfing Technique](/engulfing-technique) 

  ##  [Engulfing Technique](https://puremath.quantumdictionary.io/engulfing-technique-0) 

  

 [![Pure Mathematics Dictionary](/sites/default/files/styles/large/public/2026-01/Pure%20Mathematics.png.webp?itok=5pZnFQ59)](/topic-specific-dictionaries/mathematics-logic/pure-mathematics)

- Mathematics & Logic -

**Pure Mathematics Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A high-dimensional manifold method that modifies embeddings by enlarging chosen neighborhoods so that a submanifold is absorbed into a collar or thicker region; used to construct isotopies, cancel handles, or remove local obstructions to simplification of embeddings.