Definition of "perturbations" [perturbations]

• Plural form of perturbation. (noun)

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