nepheline

[ nef-uh-lin ]

/ ˈnɛf ə lɪn /

noun

a feldspathoid mineral, essentially sodium aluminum silicate, NaAlSiO4, occurring in alkali-rich volcanic rocks.

Also neph·e·lite

[nef-uh-lahyt]. /ˈnɛf əˌlaɪt/.

Origin of nepheline

1805–15; <French néphéline, equivalent to néphél- (<Greek nephélē cloud) + -ine-ine²

Words nearby nepheline

neper, nepeta, neph-, nephanalysis, Nephele, nepheline, nephelinite, nephelometer, nephew, nepho-, nephogram

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for nepheline

Some writers held that this mineral has resulted from the decomposition of nepheline; others regard it as a primary mineral.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 6|Various
When leucite or nepheline replaces plagioclase, the rock becomes a leucite-basalt, or nepheline-basalt.
Volcanoes: Past and Present|Edward Hull
These last consist of an intermixture of nepheline or sodalite and alkali-felspar.
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3|Various
The pyroxene is morphic, yellow or green, and is surrounded by formless areas of nepheline.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3|Various

Nepheline appears to decrease in amount as leucite increases.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 5|Various

British Dictionary definitions for nepheline

nepheline

nephelite (ˈnɛfɪˌlaɪt)

/ (ˈnɛfɪlɪn, -ˌliːn) /

noun

a whitish mineral consisting of sodium potassium aluminium silicate in hexagonal crystalline form: used in the manufacture of glass and ceramics. Formula: (Na,K)(AlSi) 2 O 4

Word Origin for nepheline

C19: from French néphéline, from Greek nephelē cloud, so called because pieces of it become cloudy if dipped in nitric acid

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	nepheline
释义	nepheline [ nef-uh-lin ] / ˈnɛf ə lɪn / noun a feldspathoid mineral, essentially sodium aluminum silicate, NaAlSiO4, occurring in alkali-rich volcanic rocks. Also neph·e·lite [nef-uh-lahyt]. /ˈnɛf əˌlaɪt/. Origin of nepheline 1805–15; <French néphéline, equivalent to néphél- (<Greek nephélē cloud) + -ine-ine² Words nearby nepheline neper, nepeta, neph-, nephanalysis, Nephele, nepheline, nephelinite, nephelometer, nephew, nepho-, nephogram Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for nepheline Some writers held that this mineral has resulted from the decomposition of nepheline; others regard it as a primary mineral. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 6\|Various When leucite or nepheline replaces plagioclase, the rock becomes a leucite-basalt, or nepheline-basalt. Volcanoes: Past and Present\|Edward Hull These last consist of an intermixture of nepheline or sodalite and alkali-felspar. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3\|Various The pyroxene is morphic, yellow or green, and is surrounded by formless areas of nepheline. Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3\|Various Nepheline appears to decrease in amount as leucite increases. Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 5\|Various British Dictionary definitions for nepheline nepheline nephelite (ˈnɛfɪˌlaɪt) / (ˈnɛfɪlɪn, -ˌliːn) / noun a whitish mineral consisting of sodium potassium aluminium silicate in hexagonal crystalline form: used in the manufacture of glass and ceramics. Formula: (Na,K)(AlSi) 2 O 4 Word Origin for nepheline C19: from French néphéline, from Greek nephelē cloud, so called because pieces of it become cloudy if dipped in nitric acid Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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