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English Dictionary - With Multi-Lingual Search Definitions perturbation noun  (uncountable) agitation, Agitation; the state of being perturbed (countable) A small change in a physical system, or more broadly any definable system (such as a biological or economic system) (physics), (astronomy) (countable) Variation in an orbit due to the influence of external bodies Etymology: perturb + -ation      Full Definition of perturbation  Find:   Words Starting With:   Words Ending With:   Words Containing:   Words That Match:    Translate Into:    Dutch   French   German    Italian   Spanish     Show 51015202550 results per page. Enter your search terms Submit search form   Web www.allwords.com Browse the Dictionary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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