extrados Definition

camber arch, straight arch, arch, curve, flexicostate, outbowed, tautochrone, curvinerved, lancet arch, tectiform, didonia, curvicostate, acroterium, neckmould, blind curve, exterior angle, surbase, change of shape, bendlet, pollicate, curvity, polar equation, curvicaudate, curviserial, cottise, spheroconic, spherical angle, adunc, butment, reclination, curvograph, tacnode, interior angle, courb, aduncate, circumflexion, syphering, lissajous figure, latus rectum, concamerate, structural member, projecture, conchometry, point of inflection, bitangent, subaduncate, angle of refraction, gothic arch, curvature, acnode, angulous, synclastic, chamfret, triglyph, breastrail, angle of incidence, octangle, urohyal, plane figure, geanticlinal, semidome, introflexed, semiaxis, tichorrhine, subtense, monotriglyph, coussinet, brachydome, engrail, arcograph, antrorse, crunode, rondure, orillon, conchoid, catacaustic, glissette, stationary point, semiparabola, cross of lorraine, chimney breast, brisure, latticing, recurvate, clinodiagonal, concaveness, embow, anthelix, interhaemal, devexity, stringpiece, subtangent, central angle, coigne, isocline, spandrel, antiparallelogram, apophyge, ledger board, major axis,