biquadrate biquadrantal • biquadratic · · · Info · Definitions · Synonyms · Characters · · biquadrate · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) an algebraic equation of the fourth degree. Synonyms: biquadratic, quartic, fourth power. · · Noun Definition 1 Synonyms · · · biquadratic · · Synonym 1 quartic · · Synonym 2 fourth power · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 q latin small letter q U+0071 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075