artifact

US /ˈɑːr.t̬ə.fækt/
UK /ˈɑːr.t̬ə.fækt/
"artifact" picture
1.

an object made by a human being, typically an item of cultural or historical interest

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The museum displayed ancient Roman artifacts.
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Archaeologists discovered several valuable artifacts at the excavation site.
:
relicvestigeremnantcuriosouvenir
2.

a spurious or misleading observation or result arising from the investigative procedure itself

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The unexpected peak in the data was later identified as a measurement artifact.
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Noise in the image was an artifact of the camera's low-light settings.
:
anomalyaberrationdistortionerrorflaw