ceramic UK /sɪˈɹæmɪk/US /səˈɹæmɪk/noun 2adjective 1forms 3 noun2 •A hard, brittle, inorganic, nonmetallic material, made by firing a material such as clay at a high temperature.Joan made the dish from ceramic. •An object made of this material.Joe had dozens of ceramics in his apartment. adjective1 •Made of material produced by the high-temperature firing of inorganic, nonmetallic rocks and minerals.A ceramic vase stood on the table. formsceramics · more ceramic · most ceramic