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Undulation   Listen
noun
Undulation  n.  
1.
The act of undulating; a waving motion or vibration; as, the undulations of a fluid, of water, or of air; the undulations of sound.
2.
A wavy appearance or outline; waviness.
3.
(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.
4.
(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.






Collaborative International Dictionary of English 0.48








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"Undulation" Quotes from Famous Books



... d'Arno, with its villas, its luxuriant gardens, groves, and olive grounds, all bathed in crimson light. A transparent vapor or exhalation, which in its tint was almost as rich as the pomegranate flower, moving with soft undulation, rolled through the valley, and the very earth seemed to pant with warm life beneath its rosy veil. A dark purple shade, the forerunner of night, was already stealing over the east; in the western sky still lingered the ...
— Characteristics of Women - Moral, Poetical, and Historical • Anna Jameson

... skilful painter hardly does more for his blank sheet of canvas than the landscape-gardener, the planter, the arranges of trees, has done for the monotonous surface of Blenheim,—making the most of every undulation,—flinging down a hillock, a big lump of earth out of a giant's hand, wherever it was needed,—putting in beauty as often as there was a niche for it,—opening vistas to every point that deserved to be seen, and throwing a veil of impenetrable foliage around what ought to be hidden;—and then, ...
— Atlantic Monthly, Volume 8, No. 48, October, 1861 • Various

... myself," the woman said, her hands caressing a dial. Slowly, with gentle undulation, his chair rose from the floor and cradled the aged tiredness that was Oliver Symmes to his bed. With almost tender devotion, his body was mechanically shifted from the portable chair ...
— Life Sentence • James McConnell

... when the clouds approach within a certain distance, and sometimes the electric cloud perches upon a hill, and then discharges itself. The electricity passes through the clouds in a zig-zag direction, and the undulation of the air which it produces is the cause of the noise which we hear, called thunder, which is more or less intense, and of longer or shorter duration, according to the quantity of air acted upon, and the distance of the place ...
— The Mirror of Literature, Amusement, and Instruction, Vol. 10, No. - 287, December 15, 1827 • Various

... and also the brown female, which he calls the "Ringtail." The Blue and the Brown, so unlike each other that no ordinary person would take them for relatives, come sailing swiftly with barely an undulation among the musical congregation. The blackbird, wariest of birds—he on the top of the larch—has hardly time to dart into the dark coverts of the underbrush, and the remainder of the crew to disperse, before the Blue and the Brown sail among ...
— Bog-Myrtle and Peat - Tales Chiefly Of Galloway Gathered From The Years 1889 To 1895 • S.R. Crockett


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