from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A layered deposit of calcium carbonate or another mineral, formed by water flowing along the walls or floor of a cave.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun geology A layered deposit of calcite formed by water flowing down the walls, and along the floor of a cave.


Sorry, no etymologies found.


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  • Another guide also turned off the lights in another room to show visitors the dim phosphorescense from a "flowstone" formation.

    The Altoona Mirror 2010

  • You could see them underfoot, suspended in the flowstone, hundreds, no, thousands of them.

    Deeper Jeff Long 2007

  • Overrun with flowstone and alabaster talus and thick vines, it looked like a forest without the trees.

    Deeper Jeff Long 2007

  • The lower battlements were smothered with flowstone.

    Deeper Jeff Long 2007

  • They walked across the flowstone, now and then peering down through the mineral lens at the plague victims.

    Deeper Jeff Long 2007

  • She went to the creature suspended in flowstone, the mineral seepage.

    Deeper Jeff Long 2007

  • Portions were rocky with slides or jacketed in flowstone.

    Deeper Jeff Long 2007

  • Clemens approached a tall, translucent flange of flowstone.

    Deeper Jeff Long 2007

  • Suspended in the flowstone beneath her feet, a dozen dead hadals seemed ready to rise up and break free.

    Deeper Jeff Long 2007

  • For a moment, he thought his buddy in the flowstone had come back to life and broken free.

    Deeper Jeff Long 2007


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  • (n): A common variety of speleothem, which is deposited calcite covering a surface in a smooth, even, often massive layer.

    January 15, 2009