noun
- a hard white or colorless compound that occurs naturally as quartz and is the main constituent of sand and glass
Usage: chemistry; geology
Examples
- The beach sand was composed primarily of silica particles.
- Glass manufacturers use silica as their main raw material.
- Quartz crystals are pure forms of silica found in nature.
- The scientist analyzed the silica content in the rock samples.
- Silica gel packets are used to absorb moisture in packaging.
- The pottery glaze contained a high percentage of silica.