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perturbation

1 ENTRIES FOUND:
perturbation /ˌpɚtɚˈbeɪʃən/ noun
plural perturbations
perturbation
/ˌpɚtɚˈbeɪʃən/
noun
plural perturbations
Britannica Dictionary definition of PERTURBATION
technical : a change in the normal state or regular movement of something
[count]
[noncount]
[noncount] formal : the state of being worried or upset