from The Century Dictionary.
- noun A phanerocrystalline igneous rock composed of nephelite and pyroxene with small amounts of apatite, titanite, and ivaarite. It corresponds in composition to nephelinite, and occurs in dikes associated with nephelite-syenite.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A rare
igneous rockconsisting essentially of nephelineand augite.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Derived from the first syllable of the Finnish words Ii-vaara, Iijoki, etc., common as geographical names in Finland, and Ancient Greek λίθος (lithos, "a stone").
Sorry, no example sentences found.