perturbation Meaning in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "perturbation" - English Dictionary

See all translations

perturbationnoun

uk   /ˌpɜː.təˈbeɪ.ʃən/  us   /ˌpɝː.t̬ɚ-/

perturbation noun (WORRY)

[U] formal worry

perturbation noun (CHANGE)

[C or U] specialized physics a small change in the regular movement of an object: Perturbations in the orbit of the planet Uranus led to the discovery of Neptune in 1846.
Translations of “perturbation”
in Chinese (Traditional) 擔心, 煩惱…
in Chinese (Simplified) 担心, 烦恼…
(Definition of perturbation from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of perturbation?
Add Cambridge dictionaries to your browser to your website
Word of the Day
social security

a system of payments made by the government to people who are ill, poor, or who have no job

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

responsible luxury noun
responsible luxury noun
August 03, 2015
high-end, green tourism and hospitality Jumeirah’s ‘responsible luxury’ approach is an example of a sustainable travel experience – future guests will enjoy the environment as much as today’s.

Read More