quadric quadribasic • quadricapsular · · · Info · Definitions · Synonyms · Characters · · quadric · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a curve or surface whose equation (in Cartesian coordinates) is of the second degree. Synonyms: quadric surface. · · Noun Definition 1 Synonyms · · · quadric surface · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 q latin small letter q U+0071 r latin small letter r U+0072 u latin small letter u U+0075