[
UK
/pətəbˈeɪʃən/
]
[ US /ˌpɝtɝˈbeɪʃən/ ]
[ US /ˌpɝtɝˈbeɪʃən/ ]
NOUN
- (physics) a secondary influence on a system that causes it to deviate slightly
-
an unhappy and worried mental state
she didn't realize the upset she caused me
there was too much anger and disturbance - the act of causing disorder
- a disposition that is confused or nervous and upset
-
activity that is a malfunction, intrusion, or interruption
there was a disturbance of neural function
he looked around for the source of the disturbance
the term `distress' connotes some degree of perturbation and emotional upset
How To Use perturbation In A Sentence
- This 31-day period of perturbations probably has a great deal more to do with things that go bump in the night than many care to admit in front of their friends and family.
- These data are consistent with the notion that the perturbation to the system due to the UV light pulse was minimal to the overall function of the mitochondria.
- All through the winter, the perturbation of the little huckster's mind remained unallayed; but there came a day in early spring which set his questionings at rest. The Golden Shoemaker or 'Cobbler' Horn
- After a warm reception from my inmate brethren, today, I found out that one yahoo can cause considerable perturbation.
- A theoretically optimal system that blows up at the slightest perturbation is not a great real-world solution. Efficient Enough to Be Regulated?
- I have heard, that if these sublime genuises are wakened from their reveries by the appulse of external circumstances, they start, and exhibit all the perturbation and amazement of cataleptic patients. Letters for Literary Ladies: To Which is Added, An Essay on the Noble Science of Self-Justification
- The odyle, as has been already stated, rapidly responds to surrounding magnetic conditions, and to the vibrations of surrounding Bodies, and to none more powerfully than the etheric perturbation caused by combustion -- indeed, to light of any kind. How to Read the Crystal or, Crystal and Seer
- Perturbations in the orbit of the planet Uranus led to the discovery of Neptune in 1846.
- The fracture surfaces form acute and obtuse angles with the outer surface of the bone, and they exhibit no perturbations caused by split lines.
- The pipette was attached to the test tank 2 cm above the water surface, creating a perturbation on the surface when water was dripped into the aquarium.