centre of curvature Definition

centre of curvature, centrifugal force, centripetal force, schmidt telescope, latitude, camber, axis, skid, arch, evolute, level, round, rounds, sheer, sheerness, sny, centroid, circle, cyclorama, diameter, eccentric, eccentricity, focal length, key, peltate, revolve, rotate, stellate, symmetry, triskelion, uri, center of curvature, hang, optic axis, principal axis, puff, voided, a-frame, aeroelasticity, aggregate, basket-handle arch, bateau, beard, bed, bef, bell, bells, body, boe, bossage, bow, bow window, bowline, brd, bumkin, chasuble, chock, circles, circling, comet, compensation, compensator, concave, convert, cove, cruck, cucurbit, cytoskeleton, digression, disk, dogleg, dome, dress circle, driver, duck, ducks, dutch barn, eddy, eib, elbow, elbowed, elbowing, ell, excursion, expansion, fadeaway, fashion, festoon, finial, foot, force, forces, form, formal, format, frame, framework, gable, gargoyle, gillyflower,