stalagmite
noun[C]
uk/ˈstæl.əɡ.maɪt/us/stə.ˈlæɡ.maɪt/acolumnofrockthatrisesfrom thefloorof acave,formedover a verylongperiodoftimebydropsofwatercontaininglimefallingfrom theroofof thecave
石笋
Anik Messier/Moment/GettyImages
Geography: caves, cracks & crevices
- bergschrund
- blowhole
- cavern
- chasm
- chimney
- crack
- crater
- cratered
- crevice
- gouge
- gulf
- hole
- pit
- pore
- pothole
- relocation
- rut
- speleologist
- stalactite
- the San Andreas Fault