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Word of the Day Tuesday, June 9, 2026

speleothem

/ˌspɛlɪˈoʊθəm/ noun · British & US
Valid in UK
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What does speleothem mean?

noun

A speleothem is a deposit of minerals that forms in a cave, typically through the action of dripping water. Speleothems can take many forms, including stalactites, stalagmites, and flowstones.

Example

"The cave was filled with stunning speleothems that had formed over thousands of years."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for speleothem

Rhymes with speleothem

Etymologically related