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
Words nearby nepheline
neper,
nepeta,
neph-,
nephanalysis,
nephele,
nepheline,
nephelinite,
nephelometer,
nephew,
nepho-,
nephogram
Example sentences from the Web for nepheline
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