perturbation
noun(per-tur-ba-tion)
a disposition that is confused or nervous and upset
perturbation
noun(per-tur-ba-tion)
activity that is a malfunction, intrusion, or interruption
Examples:
The term `distress' connotes some degree of perturbation and emotional upset.
perturbation
noun(per-tur-ba-tion)
the act of causing disorder
perturbation
noun(per-tur-ba-tion)
an unhappy and worried mental state
perturbation
noun(per-tur-ba-tion)
(physics) a secondary influence on a system that causes it to deviate slightly