We found 6 dictionaries that define the word nepheline syenite:

General (2 matching dictionaries)

1. nepheline-syenite: Oxford Learner's Dictionaries
2. Nepheline syenite: Wikipedia, the Free Encyclopedia

Business (1 matching dictionary)

3. Construction Term Glossary (No longer online)

Computing (2 matching dictionaries)

4. Nepheline-syenite, nepheline syenite, Nepheline syenite: Encyclopedia

Tech (1 matching dictionary)

5. Illustrated Glass Dictionary (No longer online)

Definitions from Wikipedia (Nepheline syenite) ▸ noun:  a holocrystalline plutonic rock that consists largely of nepheline and alkali feldspar. ▸ Words similar to nepheline syenite ▸ Usage examples for nepheline syenite ▸ Idioms related to nepheline syenite ▸ Wikipedia articles (New!) ▸ Words that often appear near nepheline syenite ▸ Rhymes of nepheline syenite ▸ Invented words related to nepheline syenite