silica gel(redirected from Silica gel crystal)
Also found in: Thesaurus, Medical, Encyclopedia.
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.
(Elements & Compounds) an amorphous form of silica capable of absorbing large quantities of water: used in drying gases and oils, as a carrier for catalysts and an anticaking agent for cosmetics
a highly adsorbent gelatinous form of silica, used chiefly as a dehumidifying and dehydrating agent.