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. | ||
Synonyms | disturbance, upset | ||
Broader (hypernym) | agitation | ||
2. | perturbation (phenomenon) (physics) a secondary influence on a system that causes it to deviate slightly | ||
Broader (hypernym) | influence | ||
Narrower (hyponym) | variation | ||
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. | ||
Synonyms | disturbance | ||
Broader (hypernym) | activity | ||
Narrower (hyponym) | bother, fuss, hassle, magnetic storm, trouble | ||
4. | perturbation (attribute) a disposition that is confused or nervous and upset | ||
Synonyms | fluster | ||
Broader (hypernym) | discomposure | ||
5. | perturbation (act) the act of causing disorder | ||
Synonyms | disruption | ||
Broader (hypernym) | disturbance | ||
Narrower (hyponym) | breakdown, dislocation, surprisal, surprise | ||