al·​no·​ite | \ ˈalnəˌwīt \
plural -s

Definition of alnoite

: a rare basaltic dike rock of the composition of a melilite-basalt having phenocrysts of biotite, augite, and olivine in a groundmass of melilite and augite

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First Known Use of alnoite

1888, in the meaning defined above

History and Etymology for alnoite

German alnöit, from Alnö, island of Sweden, its locality + German -it -ite

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The first known use of alnoite was in 1888

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Cite this Entry

“Alnoite.” Dictionary, Merriam-Webster, Accessed 28 Oct. 2021.

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