BIQUADRATIC EQUATIONbiquadratic equation · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:BIQUADRATIC EQUATIONTier 1Ordinal207Pythagorean90Classical198Reverse306Reverse Reduction117Standard1404Final Large2054Ordinal189Reduced45Atbash786Isopsephy1724Ordinal212Abjad1328