n.
Pronunciation: ' ne-f ə - ˌ l ē n
Variant: also neph · e · lite \ - ˌ l ī t \
Function: noun
Etymology: French néphéline, from Greek nephel ē cloud ― more at NEBULA
Date: circa 1814
: a hexagonal mineral that is a usually glassy crystalline silicate of sodium, potassium, and aluminum common in igneous rocks
– neph · e · lin · ic \ ˌ ne-f ə - ' li-nik \ adjective