a product of human workmanship, e.g. a tool or a pot, often as a subject of archaeological study
a feature or structure that is not normally present, e.g. in a biological specimen, but is introduced during a process of preparation for scientific investigation
artefactual /-ʹfaktyooəl, -chooəl/ adj
[Latin arte by means of skill (from art-, ars skill) + factum something made, past part. of facere to make, do]