a salt of a stannic acid.
adjective, Chemistry. 1. of or containing tin, especially in the tetravalent state. adjective 1. of or containing tin, esp in the tetravalent state stannic stan·nic (stān’ĭk) adj. Of, relating to, or containing tin, especially with valence 4. stannic (stān’ĭk) Containing tin, especially tin with a valence of 4. Compare stannous.
noun, Chemistry. 1. 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.