| 单词 | stalagmite |
| 释义 | stalagmite (once / 20309 pages) n A stalagmite is the pointed formation that rises from the floor of a cave. When you go spelunking, or cave exploring, you'll have to avoid the areas where stalagmites have formed. Stalagmites are thin piles of mineral deposits that have fallen from the roof to the floor of a cave. They're sometimes connected to the stalactites that dangle down from the top. Because stalagmites form from drops of water combined with minerals, they get their name from the Greek stalagmos, "a dropping," and share a root with stalactite — the Greek stalassein, "to trickle." WORD FAMILYstalagmite: stalagmites USAGE EXAMPLESIt empties the kitty litter before stalagmites form. Seattle Times(Dec 12, 2016) She led them to the cave and the soaring cathedral of stalagmites at its base, where thick bands of light issue from an opening above. New York Times(Oct 17, 2016) As you enter, the walkway you traverse winds around spot-lit, saber-toothed stalactites and stalagmites. Slate(Aug 10, 2016) n a cylinder of calcium carbonate projecting upward from the floor of a limestone cave Hyper cylinder a surface generated by rotating a parallel line around a fixed line |
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