Definition of Artifact

Noun: artifact 'aar-ti,fakt
Usage: N. Amer (elsewhere: artefact)

A man-made object taken as a whole
- artefact [Brit]
Something that appears in a scientific result that is not a true feature of thing being studied, but instead a result of the experimental or analysis method, or observational error
"the method has no artifacts from using a low-resolution pixelization";
- artefact [Brit]