 ##  [Systematic Error](/index.php/systematic-error) 

  ##  [Systematic Error](https://natural.quantumdictionary.io/systematic-error-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

A reproducible, directional deviation of measured values from the true value of a measurand caused by identifiable factors (instrument bias, calibration offsets, procedural flaws, environmental influences) that persist across repeated measurements under nominally similar conditions.