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

• horseshoe
• horseshoe bat
• horseshoe bats
• horseshoe crab
• horseshoe crabs
• horseshoeing
• horseshoeings
• horse-shoe magnet
• horseshoer
• horseshoers
• horseshoes
• horse-sickness
• horse's neck
• horse soldier
• horse soldiers
• horsetail
• horsetails
• horse-tamer
• horse-thief
• horse-thieves
• horse-trading
• horse-trainer
• horse-trainers
• horseway
• horseways