Definition of undulation

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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..

Lern More About Undulation

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..
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..
Trail :: Trail (n.) Anything drawn behind in long undulations; a train.
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 wavy appearance or outline; waviness.
Undulative :: Undulative (a.) Consisting in, or accompanied by, undulations; undulatory..
Ripple :: Ripple (n.) A little wave or undulation; a sound such as is made by little waves; as, a ripple of laughter..
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..
Undulationist :: Undulationist (n.) One who advocates the undulatory theory of light.
Relief :: Relief (n.) The elevations and surface undulations of a country.
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..
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..
Undulate :: Undulate (v. i.) To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air..
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..
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..
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.) The pulsation caused by the vibrating together of two tones not quite in unison; -- called also beat.
Curl :: Curl (n.) To raise in waves or undulations; to ripple.
Purl :: Purl (v. & n.) To rise in circles, ripples, or undulations; to curl; to mantle..
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