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/pˌərtərbˈeɪʃən/ Listen

noun

Perturbation n.

The act of perturbing, or the state of being perturbed; esp., agitation of mind.

(Astron.) A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other.

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Etymology of 'Perturbation'

Collaborative International Dictionary of English 0.48

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"Perturbation" Quotes from Famous Books

... clear, he was sure to interrupt him with some annoying question, which in most cases amounted to nothing less than disputing the premises assumed. The General had not received these interruptions with so much perturbation but that they were always coupled with a sarcastic leer, the significance of which had not been well directed, nor should ever be indulged in by legal brethren engaged in the settlement of grave international questions. The reader may say:—'who so cruel as to begrudge the ...

— The Adventures of My Cousin Smooth • Timothy Templeton

... station, In fact, they might have tittered "Seven are we" Had they remembered the superb quotation; But Julia (housemaid) made some lamentation About some best back hair she'd left behind, But all was done to soothe her perturbation Till she became more quietly inclined; This nat'rally destroyed her usual peace ...

— The Minstrel - A Collection of Poems • Lennox Amott

... so very ill, and I shall never forget the effect which my questions about the ghost produced upon him. He looked at me as if I were the devil and answered only in a few incoherent sentences, which showed, however—and that was the main thing—the extent of the perturbation which O. G., in his time, had brought into that already very restless life (for M. Poligny was what people ...

— The Phantom of the Opera • Gaston Leroux

... locked his door. He was a church member in good standing and an unmarried man, so had to lock the girl out or perhaps thought it best to lock himself in. One never knows! The porter appeared with his suit case in his hand and perturbation in his soul, the double burden sufficing ...

— Mixed Faces • Roy Norton

... been stealing. After a quarter of an hour's confusion and hissing, one may make a circuit of a foot round the earth, and soon all follow in that roundabout way. When on their way to attack the abode of the white ants, the latter may be observed rushing about in a state of great perturbation. The black leaders, distinguished from the rest by their greater size, especially in the region of the sting, then seize the white ants one by one, and inflict a sting, which seems to inject a portion of fluid similar in effect to chloroform, as it renders them insensible, ...

— Missionary Travels and Researches in South Africa - Journeys and Researches in South Africa • David Livingstone

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