perturbation
/,pə:tə:'beiʃn/
Học thuậtThân thiện
Definition
- Noun:
- A state of anxiety or unease: A mental or emotional condition characterized by worry, nervousness, or agitation.
- A disturbance or disruption: An act or instance of causing disorder, interruption, or malfunction in a system, process, or state of calm.
- (Physics) A secondary influence: A small force or influence that causes a system to deviate slightly from its regular or predicted motion or state.
Examples of Usage
- Noun:
- The news caused great perturbation among the citizens. (The news created a state of significant anxiety among the people.)
- Any perturbation in the electrical grid can cause a blackout. (Any disruption in the electrical grid can lead to a power failure.)
- The astronomer calculated the orbit, accounting for gravitational perturbation from a nearby planet. (The astronomer computed the path, considering the slight gravitational influence from a neighboring planet.)
Advanced Usage
- "source of perturbation": the origin or cause of a disturbance.
- The loud construction noise was a constant source of perturbation for the students.
- "emotional perturbation": a state of being emotionally unsettled or distressed.
- She tried to hide her emotional perturbation after the difficult meeting.
Variants and Related Words
- Perturb (verb): To make someone anxious or unsettled; to disturb or disrupt the normal state of a system.
- The strange sounds in the night perturbed the campers.
- Perturbed (adjective): Anxious or unsettled.
- He had a perturbed expression on his face.
Synonyms
- Agitation: A state of nervous excitement or anxiety.
- Disruption: An interruption to the regular flow or sequence of something.
- Disturbance: The interruption of a settled and peaceful condition.
Related Phrases
- State of perturbation: A condition of being disturbed or anxious.
- The sudden market crash left investors in a state of perturbation.
Related Idioms
- To cause no little perturbation: To cause considerable worry or disturbance.
- The CEO's sudden resignation caused no little perturbation within the company.
Noun
- the act of causing disorder
- a disposition that is confused or nervous and upset
- activity that is a malfunction, intrusion, or interruption
- 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
- (physics) a secondary influence on a system that causes it to deviate slightly
- an unhappy and worried mental state
- there was too much anger and disturbance
- she didn't realize the upset she caused me