Tikibu: pronunciation dictionary with use examples

Word: perturbation
IPA transcription: [p,ɝtɚb'eɪʃən]
noun meaning of the word
  • Synonyms: disturbance, perturbation, upset
    Meaning: an unhappy and worried mental state; "there was too much anger and disturbance"; "she didn't realize the upset she caused me"
Usage examples
  • "But is that necessary?" he asked, without apparent perturbation.
  • Frank Spencer made an impatient gesture that showed how great was his perturbation.
  • I watched him narrowly for some sign of perturbation, but he was not to be caught off guard.
  • Again, "The man of superior mind is placidly composed; the small-minded man is in a constant state of perturbation."
  • The ordinary problem of perturbation is difficult enough: Given a disturbing planet in such and such a position, to find the perturbations it produces.
  • The only effect of gravitational perturbation and of collisions is gradually to broaden out the whole ring, enlarging its outer and diminishing its inner diameter.
  • It is of the nature of a perturbation, and is therefore a periodic not a progressive or continuous change, and in a sufficiently long time it will be reversed. Still, for the last few thousand years the moon's motion has been, on the whole, accelerated (though there seems to be a very slight retarding force in action too).