stalactite

美 [stəˈlækˌtaɪt]
英 [ˈstæləktaɪt]
  • n.钟乳石(向下悬垂)
  • 网络石钟乳;钟乳石粉末;钟乳石洞
复数:stalactites  
stalactite
n.
1.
钟乳石(向下悬垂)a long pointed piece of rock hanging down from the roof of a cave(= a hollow place underground) , formed over a long period of time as water containing lime runs off the roof