noun. a protective drip that is made of stone.
- drip mold
- drip mould
noun. the form of calcium carbonate found in stalactites and stalagmites.
Example sentences of the word dripstone
1. Noun, singular or mass
Lewis & Clark Caverns State Park features one of the largest known limestone caverns in the Northwest, lined with both classic and unusual cave formations including stalagmites, stalactites, dripstone columns and helictites.