plural -s
: a mineral (La,Ca,Na)(Al,Fe,Mn)(Si,P)(O,OH,F)4(?) consisting of a complex silicate, phosphate, and fluoride of the rare-earth metals, calcium, sodium, aluminum, iron, and manganese, and occurring in dark brown rhombohedral crystals

Word History


Danish steenstrupine, from K. J. V. Steenstrup †1913 Danish geologist + Danish -ine

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Dictionary Entries Near steenstrupine

Cite this Entry

“Steenstrupine.” Dictionary, Merriam-Webster, Accessed 15 Jun. 2024.

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