from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Bearing, producing, or in partial combination with silica.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. yielding or bearing silica
from the GNU version of the Collaborative International Dictionary of English
- adj. Producing silica; united with silica.
from The Century Dictionary and Cyclopedia
- Bearing or containing silica; producing silica, or united with a portion of silica.
Sorry, no etymologies found.
It is a siliciferous subsulphate of alumina and potash, a compact feldspar, with the addition of sulphuric acid completely formed in it.