systematic effect 

https://doi.org/10.1351/goldbook.08048
Recognized effect of an influence quantity on a measured quantity value.
Note:
A systematic effect can be compensated for by a correction.
Source:
PAC, 2021, 93, 997. (Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)) on page 1017 [Terms] [Paper]