artefact or artifact /ärˈti-fakt/

1. A thing made by human workmanship
2. Any non-natural feature accidentally introduced, eg during a scientific study

artefacˈtual adjective

• quadrigae
• quadrigeminal
• quadrigeminate
• quadrigeminous
• quadrilateral
• quadrilateral prism
• quadrilaterals
• quadrilingual
• quadriliteral
• quadriliterals
• quadrille
• quadrilled
• quadriller
• quadrillers
• quadrilles
• quadrilling
• quadrillion
• quadrillions
• quadrillionth
• quadrillionths
• quadrilocular
• quadringenaries
• quadringenary
• quadrinomial
• quadrinomials