UNDULATION • FREE-TRANSLATOR.COM • Definition of Undulation

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noun

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.

A wavy appearance or outline; waviness.

(Mus.)

(a)

The tremulous tone produced by a peculiar pressure of the finger on a string, as of a violin.

(b)

The pulsation caused by the vibrating together of two tones not quite in unison; called also beat.

(Physics) 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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Etymology of 'Undulation'

Collaborative International Dictionary of English 0.48

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"Undulation" Quotes from Famous Books

... breeze had entirely died away, leaving the water of that rare glassy smoothness which is unmarked even by the small dimples of the least aerial movement. Purples and blues of divers shades were reflected from this mirror accordingly as each undulation sloped east or west. They could see the rocky bottom some twenty feet beneath them, luxuriant with weeds of various growths, and dotted with pulpy creatures reflecting a silvery and spangled ...

— Desperate Remedies • Thomas Hardy

... the catch of a sob in the shadow of the end gallery. We turned back, and the undulation of her walk seemed to throw me ...

— Romance • Joseph Conrad and F.M. Hueffer

... the western part of the island, I sailed to Loloway, near the eastern point, one of the loveliest spots in the archipelago. Lofty cliffs flank two sides of a round bay; at the entrance a barrier-reef breaks the swell, which glides in a soft undulation over the quiet water, splashing up on the sandy beach. All around is the forest, hanging in shadowy bowers over the water, and hardly a breeze is astir. The white whale-boat of the Anglican missionary floats motionless on the green mirror; sometimes a fish leaps up, or a pigeon calls from the woods. ...

— Two Years with the Natives in the Western Pacific • Felix Speiser

... He heard her singing with all the light-heartedness of youth and he caught a few notes as clear and cheerful as a grey bird's. Then, still walking quickly, she dwindled into one bright spot upon the moor, dipped into an undulation, and was gone—a creature of the heath and wild lands whom it seemed impossible to ...

— The Red Redmaynes • Eden Phillpotts

... close with his skirmishers, lost sight of the blue infantry now behind an orchard-clad undulation. "Billy Maydew! come climb this tree and tell me ...

— The Long Roll • Mary Johnston

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