from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of a group of relatively rare minerals that are chemically very similar to feldspars, but have too little silica to qualify as feldspars.
from The Century Dictionary.
- noun Feldspar or some other species (nephelite, sodalite, leucite, and the scapolites) which plays a similar part in the composition of rocks.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy Any of a small group of
igneous, plutonic, and volcanic mineralsformed in magmathat did not contain enough silicato satisfy all the chemical bonds. Feldspathoids are silica-poor variants of the feldspargroup.
- adjective mineralogy Resembling a
from The American Heritage® Dictionary of the English Language, 4th Edition
[feldspath (obsolete variant of feldspar, from obsolete German Feldspath, feldspar; see feldspar) + –oid.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
Feld, field (from Middle High German veld, from Old High German feld) + Spath, spar + Oid, like or resembling.
Sorry, no example sentences found.