1. A vitrified tube of sand, supposed to be formed by the lightning striking the ground; any mineral with marks of fusion.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• Fulgurate,
• Felgurate,
• dulgurite,
• culgurite,
• vulgurite,
• gulgurite,
• tulgurite,
• rulgurite,
• fylgurite,
• fhlgurite,
• fjlgurite,
• filgurite,
• f8lgurite,
• f7lgurite,
• fugurite,
• fulgurit,
• fullgurite,
• Fulgitite,
• Fulgorite,
• Fulgurity

The plural of the "Fulgurite" can be the "fulgurites".

The singular of the "Fulgurite" can be the "Fulgurite".