Link Centre Dictionary

perturbation

per·tur·ba·tion

US/ˌpɜrtɜrˈbeɪʃʌn/ uncommon

noun

1.

an unhappy and worried mental state

  • “there was too much anger and disturbance”
  • “she didn”
Synonyms
2.

(physics) a secondary influence on a system that causes it to deviate slightly

3.

activity that is an intrusion or interruption

  • “he looked around for the source of the disturbance”
  • “there was a disturbance of neural function”
Synonyms
4.

a disposition that is confused or nervous and upset

Synonyms
5.

the act of causing disorder

Synonyms

Origin

Borrowed from Middle French perturbation, from Old French perturbacion, from Latin perturbatio.

Phrases

  • cosmological perturbation theory
  • perturbation theory

Related words

Word family

Broader terms

Narrower terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.