perturbation
per-tur-ba-tion
noun
A disturbance or deviation from a normal or expected state or course.
"The unexpected noise caused a slight perturbation."
Thesaurus
Synonyms: disturbance, upset, disruption, fluster
per-tur-ba-tion
A disturbance or deviation from a normal or expected state or course.
"The unexpected noise caused a slight perturbation."
Synonyms: disturbance, upset, disruption, fluster