The story
- German · derived fromFeldspath“feldspar”
- English todayfeldspathoid
Words from the same roots
GermanFeldspath all →
feldspathic
Etymology from Wiktionary, CC BY-SA 4.0.
feldspathoid
Today it means: Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did not contain enough silica to satisfy all the chemical bonds. Feldspathoids are silica-poor variants of the feldspar group. Full definition →
German Feldspath