An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشهشناختی اخترشناسی-اخترفیزیک
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disturbance
پریشانش
parišâneš
Fr.: dérangement, perturbation
The act of disturbing. The state of being disturbed.
See also:
Verbal noun of →
disturb
.