alo·​isi·​ite | \ ˌaləˈwiˌshīt, -wis(h)ēˌīt \
plural -s

Definition of aloisiite

: a mineral consisting of hydrous subsilicate of calcium, ferrous iron, magnesium, and sodium occurring in amorphous brown-to-violet masses

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First Known Use of aloisiite

1909, in the meaning defined above

History and Etymology for aloisiite

Prince Luigi (Aloisius) Amedeo †1933 duke of the Abruzzi + English -ite

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The first known use of aloisiite was in 1909

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Cite this Entry

“Aloisiite.” Dictionary, Merriam-Webster, Accessed 13 Aug. 2020.

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