Synonyms and related words :
Gordian knot, amplitude, antinode, block, body, cake, clump, cluster, concrete, concretion, conglomerate, conglomeration, crest, crux, de Broglie wave, diffraction, dilemma, electromagnetic radiation, electromagnetic wave, enigma, frequency, frequency band, frequency spectrum, guided wave, in phase, interference, knot, knotty point, light, longitudinal wave, lump, mass, mechanical wave, nodosity, nodulation, nodule, nodulus, nodus, nonplus, out of phase, oxymoron, paradox, period, periodic wave, perplexity, pons asinorum, poser, puzzle, quandary, radio wave, ray, reinforcement, resonance, resonance frequency, seismic wave, shock wave, solid, solid body, sound wave, surface wave, teaser, tidal wave, transverse wave, trough, vexed question, wave, wave equation, wave motion, wave number, wavelength