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

• lightlying
• light meter
• light meters
• light middleweight
• light-mill
• light-mills
• light-minded
• light-mindedness
• light music
• lightness
• lightnesses
• lightning
• lightning-arrester
• lightning-arresters
• lightning bug
• lightning bugs
• lightning chess
• lightning conductor
• lightning conductors
• lightning rod
• lightning rods
• lightnings
• lightning strike
• lightning strikes
• lightning-tube