plural -s
: a mineral CaC2O4.2H2O consisting of hydrous oxalate of calcium that is polymorphous with whewellite and is found as tiny isolated crystals in mud at the bottom of the Weddell sea, Antarctica

Word History


Weddell sea, arm of southern Atlantic ocean in Antarctica + English -ite

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Dictionary Entries Near weddellite

Cite this Entry

“Weddellite.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2023.

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