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Undulation :: Undulation (n.) The act of undulating; a waving motion or vibration; as, the undulations of a fluid, of water, or of air; the undulations of sound..

Ripple :: Ripple (v. t.) To fret or dimple, as the surface of running water; to cover with small waves or undulations; as, the breeze rippled the lake..

Phonograph :: Phonograph (n.) An instrument for the mechanical registration and reproduction of audible sounds, as articulate speech, etc. It consists of a rotating cylinder or disk covered with some material easily indented, as tinfoil, wax, paraffin, etc., above which is a thin plate carrying a stylus. As the plate vibrates under the influence of a sound, the stylus makes minute indentations or undulations in the soft material, and these, when the cylinder or disk is again turned, set the plate in vibration

Rolling :: Rolling (a.) Having gradual, rounded undulations of surface; as, a rolling country; rolling land..

Curl :: Curl (v. i.) To move in curves, spirals, or undulations; to contract in curving outlines; to bend in a curved form; to make a curl or curls..

Relief :: Relief (n.) The elevations and surface undulations of a country.

Purl :: Purl (v. & n.) To rise in circles, ripples, or undulations; to curl; to mantle..

Crimp :: Crimp (v. t.) To fold or plait in regular undulation in such a way that the material will retain the shape intended; to give a wavy appearance to; as, to crimp the border of a cap; to crimp a ruffle. Cf. Crisp..

Trail :: Trail (n.) Anything drawn behind in long undulations; a train.

Wave :: Wave (v. i.) An advancing ridge or swell on the surface of a liquid, as of the sea, resulting from the oscillatory motion of the particles composing it when disturbed by any force their position of rest; an undulation..

Stylus :: Stylus (n.) That needle-shaped part at the tip of the playing arm of phonograph which sits in the groove of a phonograph record while it is turning, to detect the undulations in the phonograph groove and convert them into vibrations which are transmitted to a system (since 1920 electronic) which converts the signal into sound; also called needle. The stylus is frequently composed of metal or diamond..

Undulative :: Undulative (a.) Consisting in, or accompanied by, undulations; undulatory..

Flutist :: Flutist (n.) To move with quick vibrations or undulations; as, a sail flutters in the wind; a fluttering fan..

Curl :: Curl (n.) To raise in waves or undulations; to ripple.

Undulation :: Undulation (n.) A motion to and fro, up and down, or from side to side, in any fluid or elastic medium, propagated continuously among its particles, but with no translation of the particles themselves in the direction of the propagation of the wave; a wave motion; a vibration..

Fluctuant :: Fluctuant (a.) showing undulation or fluctuation; as, a fluctuant tumor..

Undulate :: Undulate (v. t.) To cause to move backward and forward, or up and down, in undulations or waves; to cause to vibrate..

Undulate :: Undulate (v. i.) To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air..

Scroll :: Scroll (n.) An ornament formed of undulations giving off spirals or sprays, usually suggestive of plant form. Roman architectural ornament is largely of some scroll pattern..

Undulation :: Undulation (n.) A wavy appearance or outline; waviness.

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