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

Undulationist :: Undulationist (n.) One who advocates the undulatory theory of light.

Undulation :: Undulation (n.) The tremulous tone produced by a peculiar pressure of the finger on a string, as of a violin..

Ripple :: Ripple (v. i.) To become fretted or dimpled on the surface, as water when agitated or running over a rough bottom; to be covered with small waves or undulations, as a field of grain..

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

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

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

Undulation :: Undulation (n.) The pulsation caused by the vibrating together of two tones not quite in unison; -- called also beat.

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

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

Undulatory :: Undulatory (a.) Moving in the manner of undulations, or waves; resembling the motion of waves, which successively rise or swell rise or swell and fall; pertaining to a propagated alternating motion, similar to that of waves..

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..

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..

Fluctuation :: Fluctuation (n.) The motion or undulation of a fluid collected in a natural or artifical cavity, which is felt when it is subjected to pressure or percussion..

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..

Ripple :: Ripple (n.) A little wave or undulation; a sound such as is made by little waves; as, a ripple of laughter..

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

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

Wave :: Wave (v. i.) A vibration propagated from particle to particle through a body or elastic medium, as in the transmission of sound; an assemblage of vibrating molecules in all phases of a vibration, with no phase repeated; a wave of vibration; an undulation. See Undulation..

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

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