adj. of, relating to, consisting of, or resembling silica
the GNU version of the Collaborative International Dictionary of English
adj. Of or pertaining to silica; containing silica, or partaking of its nature.
The Century Dictionary and Cyclopedia
See silicious.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. relating to or containing or resembling silica
Word Usage
"The researchers found that while a vast majority of the minerals that make up ash are highly reactive and soon decay, about two percent by volume are made up of a stable group of minerals called siliceous aggregates."