 ##  [Interface](/interface) 

  ##  [Interface](https://natural.quantumdictionary.io/interface-0) 

  
 [![Natural & Formal Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Natural%20%26%20Formal%20Sciences.png.webp?itok=2kCDRVQv)](/topic-specific-dictionaries/natural-formal-sciences)


**Natural &amp; Formal Sciences Dictionary**

 
Definition

A surface or region separating two different materials or media (solids, liquids, gases, or combinations) across which mechanical, thermal, electrical, or chemical properties are discontinuous or change rapidly; a locus where boundary conditions are applied and interfacial phenomena occur.

 
 ##  [Interface](https://humanitites.quantumdictionary.io/interface-1) 

  
 [![Humanities & Arts Dictionary](/sites/default/files/styles/large/public/2026-01/Humanities%20%26%20Arts.png.webp?itok=4SMNHqFS)](/topic-specific-dictionaries/humanities-arts)


**Humanities &amp; Arts Dictionary**

 
Definition

The contact surface or zone where two materials, systems, or formal elements interact and exchange forces, information, energy, or effects; the designed properties of that zone determine compatibility, communication, and performance across the junction.