UNDULATION • DICCIONARIO INGLES.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

... possible, what remote connexion could the dissolution of the Assyrian empire have with the Olympiads or with the building of Rome? Certainly none at all that we can see; and yet these great events so nearly synchronize that even the latest of them seems but a more distant undulation of the same vast swell in the ocean, running along from west to east, from the Tiber to the Tigris. Some great ferment of revolution was then abroad. The overthrew of Nineveh as the capital of the Assyrian empire, the ruin of the dynasty ending in Sardanapalus, and the subsequent dismemberment ...

— The Posthumous Works of Thomas De Quincey, Vol. II (2 vols) • Thomas De Quincey

... ink; and once, as Leslie and his companion were lifted on the top of the swell, the former thought he caught sight, for a moment, of a small toy-like object in the far distance. When next he was hove up he looked for it again, but for some few minutes in vain. Then came another unusually lofty undulation that for a moment lifted him high enough to render the horizon almost level, with only an isolated ridge here and there to break its continuity; and during that brief moment he once more caught sight of the object, and knew that it ...

— Dick Leslie's Luck - A Story of Shipwreck and Adventure • Harry Collingwood

... without precedent in the dramatists from whom he learned to write blank-verse. Milton was a greater metrist than any of them, except Marlowe and Shakespeare, and he employed the elision (or the slur) oftener than they to give a faint undulation or retardation to his verse, only because his epic form demanded it more for variety's sake. How Milton would have read them, is another question. He certainly often marked them by an apostrophe in his manuscripts. He doubtless composed according to quantity, so ...

— Among My Books • James Russell Lowell

... Or liker still to one who should take leave Of pale immortal death, and with a pang As hot as death's is chill, with fierce convulse Die into life: so young Apollo anguish'd: 130 His very hair, his golden tresses famed Kept undulation round his eager neck. During the pain Mnemosyne upheld Her arms as one who prophesied.—At length Apollo shriek'd;—and lo! from all his limbs Celestial * * * * * * * * ...

— Keats: Poems Published in 1820 • John Keats

... and as you follow the winding mountain paths, beneath arching boughs all veiled and dim with blossom,—paths, that for ever droop and rise over the green banks and mounds sweeping down in scented undulation, steep to the blue water, studded here and there with new mown heaps, filling all the air with fainter sweetness,—look up towards the higher hills, where the waves of everlasting green roll silently into their long inlets among the shadows ...

— The Beauties of Nature - and the Wonders of the World We Live In • Sir John Lubbock

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