silica gelsilica gel
an amorphous, highly adsorbent form of silica used as a drying agent in air-conditioning equipment, as a carrier of catalysts in chemical reactions, etc.
Amorphous silica that resembles fine white sand and is used as a drying and dehumidifying agent, as a catalyst and catalyst carrier, as an anticaking agent in cosmetics, and in chromatography.
silica gel - Computer Definition
A highly absorbent form of silicon dioxide often wrapped in small bags and packed with equipment to absorb moisture during shipping and storage.