Cite
 

Meaning of flowstone

flow•stone

Pronunciation: (flō'stōn"), [key]
— n. Petrol.
  1. a layered deposit of calcium carbonate, CaCO, left by thin sheets of flowing water, as in a cave. Cf. dripstone.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.