11 letters · 25 points in Scrabble
noun an algebraic equation of the fourth degree
noun an equation of the fourth degree
noun a polynomial of the fourth degree
originEtymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Italic *dwi- Latin bi-bor. English bi- English quadratic English biquadratic From bi- + quadratic.
Etymology from Wiktionary, CC BY-SA 3.0