• (America) IPA: /stəˈlæktaɪt/
• (British) IPA: /ˈstæləktaɪt/

stalactite (plural stalactites)

1. (geology) A secondary mineral deposit of calcium carbonate or another mineral, in shapes similar to icicles, that hangs from the roof of a cave.
   • 1876, Mark Twain [pseudonym; Samuel Langhorne Clemens], chapter XXXIII, in The Adventures of Tom Sawyer, Hartford, Conn.: The American Publishing Company, OCLC 1000326417 ↗:

     In one place, near at hand, a stalagmite had been slowly growing up from the ground for ages, builded by the water-drip from a stalactite overhead.

• stalagmite
• speleothem
• calthemite

• French: stalactite
• German: Stalaktit
• Portuguese: estalactite
• Russian: сталакти́т
• Spanish: estalactita