revolution Definition in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “revolution” - English Dictionary

"revolution" in American English

See all translations

revolutionnoun [C/U]

us   /ˌrev·əˈlu·ʃən/
social studies a sudden and great change, esp. the violent change of a system of government: [U] The country seems to be heading toward revolution. [C] The discovery of penicillin produced a revolution in medicine.
a movement in a circle or curve around a central point: [C] The moon makes one revolution around the earth in about 29.5 days.
(Definition of revolution from the Cambridge Academic Content Dictionary © Cambridge University Press)







"revolution" in British English

See all translations

revolutionnoun

uk   /ˌrev.əˈluː.ʃən/ us   /ˌrev.əˈluː.ʃən/
  • revolution noun (POLITICS)

B2 [C or U] a change in the way a country is governed, usually to a different political system and often using violence or war: The French Revolution changed France from a monarchy to a republic. The country seems to be heading towards revolution.

expend iconexpend iconMore examples

  • revolution noun (CHANGE)

B2 [C] a very important change in the way that people do things: a technological revolution Penicillin produced a revolution in medicine.

expend iconexpend iconMore examples

(Definition of revolution from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

"revolution" in Business English

See all translations

revolutionnoun [C]

uk   /ˌrevəlˈuːʃən/ us  
a big change or improvement in the way that something works or looks, or in the way that people do a particular activity: a revolution in sth Facing up to climate change requires a revolution in business thinking. an economic/technological/green revolution the digital/internet/IT revolution
(Definition of revolution from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of revolution?
Add Cambridge dictionaries to your browser to your website
Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
by ,
May 25, 2016
by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

Read More 

Word of the Day

sunscreen

a substance that you put on your skin to prevent it from being damaged by the sun

Word of the Day

convo noun
convo noun
May 23, 2016
informal a conversation The convo around concussions mostly focuses on guys who play football, but Chastain thinks that this whole thing could be a headache for women too.

Read More