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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..

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

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

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

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

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..

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..

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..

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

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..

Waved :: Waved (a.) Having undulations like waves; -- said of one of the lines in heraldry which serve as outlines to the ordinaries, etc..

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

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

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

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..

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

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..

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..

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