feldspathoid
feldspathoid · feldspathoids
Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that…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.
Meaning
1 senses(countable, uncountable)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.
Origin
From German Feldspath (“feldspar”) + -oid.From German Feldspath (“feldspar”) + -oid.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: feldspathoidsWord family
1 related wordsDerivedfeldspathoidal
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable