Perturbation (Noun)
Meaning 1
An unhappy and worried mental state; "there was too much anger and disturbance"; "she didn't realize the upset she caused me".
Classification
Nouns denoting natural processes.
Synonyms
Hypernyms
Related Words
Meaning 2
The act of causing disorder.
Classification
Nouns denoting acts or actions.
Synonyms
Hypernyms
Hyponyms
Related Words
Meaning 3
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".
Classification
Nouns denoting natural events.
Examples
- The perturbation in the power grid caused a city-wide blackout that lasted for hours.
- The unexpected noise was a perturbation to the otherwise peaceful library, disturbing the students who were studying.
- The malfunction in the navigation system was a perturbation that threw off the entire flight plan.
- The news of the company's financial troubles caused a perturbation among the investors, leading to a sharp decline in stock prices.
- The sudden loss of internet connection was a perturbation to the online meeting, forcing the participants to reschedule.
Synonyms
Hyponyms
Meaning 4
A disposition that is confused or nervous and upset.
Classification
Nouns denoting attributes of people and objects.
Examples
- The news of the layoff caused a great perturbation among the employees, leaving many feeling anxious and uncertain about their future.
- Her mind was in a state of perturbation as she tried to process the unexpected breakup with her long-term partner.
- The politician's speech was marred by a visible perturbation, stumbling over his words and avoiding eye contact with the audience.
- After receiving the devastating diagnosis, the patient was in a state of perturbation, struggling to come to terms with the news.
- The crowd's perturbation was palpable as they waited for the delayed flight to be rescheduled, their frustration and worry growing by the minute.
Synonyms
Related Words
Meaning 5
(physics) a secondary influence on a system that causes it to deviate slightly.
Classification
Nouns denoting natural phenomena.
Examples
- The orbit of the planet was affected by a perturbation caused by the gravitational pull of a nearby moon.
- In the quantum mechanics system, the perturbation due to the external electromagnetic field was calculated using a series of differential equations.
- The precision of the experiment was compromised by a perturbation introduced by the vibrations of the laboratory equipment.
- The trajectory of the spacecraft was altered by a perturbation caused by an unaccounted-for asteroid in its path.
- Scientists accounted for the perturbation caused by the Earth's slightly ellipsoidal shape when calculating the satellite's orbital decay rate.