felspathoid
English
editNoun
editfelspathoid (countable and uncountable, plural felspathoids)
- Alternative form of feldspathoid
- 1909, Samuel James Shand, Royal Scottish Museum, An Introduction to Petrography and Guide to the Collections of Rocks, page 45:
- The pulaskites occupy a position similar to that of larvikite between syenite and nepheline-syenite. Quartz is absent, while felspathoids are present in small quantities.
Adjective
editfelspathoid (not comparable)
- Alternative form of feldspathoid