speleothem

(redirected from spelaeothem)
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spe·le·o·them

 (spē′lē-ə-thĕm′)
n.
A mineral deposit, such as a stalagmite or stalactite, formed in a cave from the dripping of mineral-rich water.

[Latin spēlaeum, spēlēum, cave (from Greek spēlaion) + Greek thema, thing put down, deposit (from tithenai, to put; see dhē- in Indo-European roots).]

speleothem

or

spelaeothem

n
(Geological Science) a natural structure within a cave