nepheline

noun
neph·​e·​line | \ ˈne-fə-ˌlēn How to pronounce nepheline (audio) \
variants: or less commonly nephelite \ ˈne-​fə-​ˌlīt How to pronounce nephelite (audio) \

Definition of nepheline

: a hexagonal mineral that is a usually glassy crystalline silicate of sodium, potassium, and aluminum common in igneous rocks

Other Words from nepheline

nephelinic \ ˌne-​fə-​ˈli-​nik How to pronounce nephelinic (audio) \ adjective

First Known Use of nepheline

circa 1814, in the meaning defined above

History and Etymology for nepheline

French néphéline, from Greek nephelē cloud — more at nebula

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The first known use of nepheline was circa 1814

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