quadrato-|kwəˈdreɪtəʊ|mod. comb. form of L. quadrātus or quadrātum, quadrate a. orn.1; used in some scientific terms.†1.Math.quadrato-cubica., of the fifth power or degree. quadrato-quadrat(e, the fourth power. quadrato-quadratic, -quadraticaladjs., of the fourth power; biquadratic. Obs.1662Hobbes Seven Prob.Wks. 1845 VII. 67 There be some numbers called plane..others *quadrato-cubic.1787Waring in Phil.Trans. LXXVII. 81 Biquadratic and quadrato-cubic equations.1684T. Baker Geometr. Key d. 2 The *quadrato-quadrat of x, x4.1728Clarke in Phil.Trans. XXXV. 387 The Cube, or the quadrato-quadrate, or any other Power.1674Petty Disc. Dupl. Proportion 45 To have like Vessels..equally strong, the Timber of which they consist must be *Quadrato-quadratic.1677Baker in Rigaud Corr.Sci. Men (1841) II. 18 The geometrical constructions of all cubic, and quadrato-quadratic equations.1668Barrow ibid. 63 When the equations are *quadrato-quadratical.2.Zool. Connected with or pertaining to the quadrate together with some other bone, as quaˌdrato-ˈjugala.andn.(seequot. 1878), -manˈdibular, -(meta)ˈpterygoid, -squaˈmosaladjs.(see the second element).1870Rolleston Anim. Life 18 The quadratojugal rod.1878Bell Gegenbaur's Comp.Anat. 462 In Birds the quadrato-jugal is a slender piece of bone, which arises from the side of the mandibular joint of the quadrate.1888Rolleston & Jackson Anim. Life 338 The quadrate or in Teleostei..the quadrato-metapterygoid.3.Cryst.ˌquadratoctaˈhedron, an eight-sided crystal of square section through the secondary axes.1884Bower & Scott De Bary's Phaner. 137 The fundamental form of the crystals belonging to the quadratic system is the quadratoctahedron.
quadrato-/kwɒˈdreɪtəʊ/combining form of Latin quadratusquadrateadjective, or of quadratenoun: see -o-.