An icicle-shaped, secondary mineral deposit, usually calcite, that hangs from the roof of a cave and is formed by the evaporation of dripping water that is full of minerals.
Webster's New World
Other Word Forms of Stalactite
Origin of Stalactite
New Latin stalactītēs from Greek stalaktos dripping from stalassein stalak- to drip
From American Heritage Dictionary of the English Language, 5th Edition
From New Latin stalactites, from Ancient Greek σταλακτός (stalaktos, “dripping").
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