##  [Atrium](/atrium) 

  ##  [Atrium](https://engineering.quantumdictionary.io/atrium-0) 

  

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**Engineering & Applied Technologies Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A large open vertical space within a building that typically extends through multiple floors and is often glazed at the top or sides to admit daylight; atria are used to enhance natural lighting, support vertical circulation and social interaction, and they materially affect HVAC, fire‑ and smoke‑control, acoustics and daylighting strategies.