1. Mineral deposits formed by flowing water in caves, typically consisting of calcite or other minerals that create sheet-like or curtain-like formations on cave walls and floors.
Usage: plural of flowstone; geology/speleology term; commonly found in limestone caves

Examples

• The cave's flowstones created beautiful cascading patterns of white and orange mineral deposits.
• Geologists studied the flowstones to understand the cave's water flow history.
• The tour guide pointed out the delicate flowstones that had formed over thousands of years.
• Flowstones in Carlsbad Cavern display remarkable colors due to trace minerals in the water.
• These flowstones resemble frozen waterfalls made entirely of stone.