any of the series of acids usually occurring as amorphous powders and varying in composition from H 2 SnO 3 (alpha-stannic acid) to H 4 SnO 4 .
noun, Chemistry. 1. a colorless fuming and caustic liquid, SnCl 4 , soluble in water and alcohol, that converts with water to a crystalline solid: used for electrically conductive and electroluminescent coatings and in ceramics.
noun, Chemistry. 1. a white, amorphous, water-insoluble powder, SnO 2 , used chiefly in the manufacture of ceramic glazes and glass, and of polishing powders for metal, glass, and marble.
noun, Chemistry. 1. a yellowish or brownish, water-insoluble powder, SnS 2 , usually used suspended in lacquer or varnish for gilding and bronzing metals, wood, paper, etc.; mosaic gold.
- Stannic sulphide
noun 1. an insoluble solid compound of tin usually existing as golden crystals or as a yellowish-brown powder: used as a pigment. Formula: SnS2 See also mosaic gold