Wiktionary (0.00 / 0 votes) Rate this definition: module (Noun). A self-contained component of a system, often interchangeable, which has a well-defined interface to the other components. module (Noun). A standard unit of measure used for determining the proportions of a building. module (Noun).
A silicate is a compound containing an anionic silicon compound. The great majority of the silicates are oxides, but hexafluorosilicate ([SiF6]2â) and other anions are also included. 4 or its compounds. Related to orthosilicate are families of anions (and their compounds) with the formula [SiO2+n]2nâ.
Crystalline silica is a basic component of soil, sand, granite, and many other minerals. Quartz is the most common form of crystalline silica. Cristobalite and tridymite are two other forms of crystalline silica.All three forms may become respirable size particles when workers chip, cut, drill, or grind objects that contain crystalline silica.rystalline silica is a basic component of soil, sand, granite, and many other minerals. Quartz is the most common form of crystalline silica. Cristobalite and tridymite are two other forms of crystalline silica.