English noun: perturbation
|1.||perturbation (state) an unhappy and worried mental state|
|Samples||There was too much anger and disturbance.|
She didn't realize the upset she caused me.
|2.||perturbation (phenomenon) (physics) a secondary influence on a system that causes it to deviate slightly|
|Domain category||natural philosophy, physics|
|3.||perturbation (event) activity that is a malfunction, intrusion, or interruption|
|Samples||The term `distress' connotes some degree of perturbation and emotional upset.|
He looked around for the source of the disturbance.
There was a disturbance of neural function.
|Narrower (hyponym)||bother, fuss, hassle, magnetic storm, trouble|
|4.||perturbation (attribute) a disposition that is confused or nervous and upset|
|5.||perturbation (act) the act of causing disorder|
|Narrower (hyponym)||breakdown, dislocation, surprisal, surprise|