from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A jellylike substance, H2SiO3, produced when sodium silicate solution is acidified.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. any of a range of compounds, being hydrates of silica; they form silicates having complex polymeric structures
from the GNU version of the Collaborative International Dictionary of English
- adj. an amorphous gelatinous substance, Si(HO)4, very unstable and easily dried to silica, but forming many stable salts; -- called also orthosilicic acid or normal silicic acid.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a jellylike substance (hydrated silica)
Sorry, no etymologies found.