undulations Definition

wave, ripples, waves, curves, camber, knolls, corrugations, gradients, apexes, bends, rills, doglegs, ruts, escarpments, rutty, curvatures, grooves, humps, topography, serpentine, kerbing, slickrock, straightaways, arabesques, wavelike, hummocks, mounding, inclines, bumps, plateaux, helixes, precipices, sidecut, bumpiness, waviness, striations, landforms, ridges, contours, massifs, loops, hairpins, springy, sandy, suppleness, indentations, promontories, hardpan, dimpling, vibrations, angularity, switchback, hairpin bend, swales, cuppy, spindrift, concavity, steepness, tubercle, loamy, depressions, rooty, smoothness, esses, parallelograms, slope, roundness, flatness, gaits, basilar membrane, roughening, twists, backbends, grippy, metamorphic rock, geometry, sponginess, woodiness, strakes, whorls, tarns, fescue grass, convolutions, spume, gullies, passagework, sidespin, diagonals, protuberances, chromaticism, macadam, soleplate, tauter, hollows, tussocks, surfaces, layout, whispering gallery, moorlands, dunes,