from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of perturbation.


Sorry, no etymologies found.


  • Undisturbed by recent perturbations is the fact that 40 percent of the adult population (and presumably a larger percentage of likely voters) are self-identified conservatives, outnumbering soi disant liberals by almost two-to-one.

    Stromata Blog:

  • Not dealing with the subtlties of defining "damage" or orbital perturbations is understandable in this case for a general news release.

    Today's Video and Twitter Blooper - NASA Watch

  • As we know more and more, it becmes more and more certain that CO2 contributes a fair amount to the warmign we observe, and that we will continue to have warming as (and if) CO2 continues to increase (absent any major perturbations from the other contributors, such as volcanoes going off all over the world, or nuclear winter).


  • In other words, don't become defensive and just say short-term perturbations don't affect the validity of the "MODEL", continue to try to make the model account for the short-term perturbations.


  • And because ordinarily they trouble the soul and disquiet the body; insomuch as they trouble the soul, they are called perturbations, insomuch as they disquiet the body they are named passions, as S. Augustine declares.

    Treatise on the Love of God

  • Then are described the twelve movements of this sensual appetite, — viz., desire, hatred, hope, &c., which are called perturbations or passions.

    Treatise on the Love of God

  • These irregularities are known as the perturbations of the lunar orbit, they have long been studied, and the majority of them have been satisfactorily accounted for.

    Great Astronomers

  • In systems thinking, "perturbations" are understood as efforts of a system to re-establish balance and to increase its complexity so that there is greater dynamic homeostasis.

    Dana Ullman: Unplugging From Your Medicine Cabinet: Respecting the Body's Intelligence

  • And there are 'perturbations' in our spirits which cannot be understood, unless from them we may divine that far-off and unseen world, that has power from afar to sway in their orbits the little lives of mortal men.

    Expositions of Holy Scripture Second Kings Chapters VIII to End and Chronicles, Ezra, and Nehemiah. Esther, Job, Proverbs, and Ecclesiastes

  • After having mastered the main orbits of the planets around the Sun, European scholars began to focus on the smaller, but not negligible, effects called "perturbations" caused by the gravity of other bodies.

    The Brussels Journal - The Voice of Conservatism in Europe


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