stalactite
/ˈstæləktaɪt/noun
- a tapering structure hanging like an icicle from the roof of a cave, formed of calcium salts deposited by dripping water钟乳石。
派生词
stalactitic
adjective词源
late 17th cent.: from modern Latin stalactites, from Greek stalaktos 'dripping', based on stalassein 'to drip'.