 ##  [Viability](/index.php/viability) 

  ##  [Viability](https://natural.quantumdictionary.io/viability-0) 

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


**Natural &amp; Formal Sciences Dictionary**

 
Definition

The proportion or state of cells or organisms that are alive and capable of growth, reproduction, or measurable metabolic activity under specified conditions; operationally assessed by assays that discriminate living from nonliving units.