Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “revolution”

revolution

noun (CIRCULAR MOVEMENT)    /ˌrev.əˈluː.ʃən/
[S] a circular movement: The revolution of the Earth around the sun was proposed by Copernicus.Revolving, rotating and spinning [C] one complete circular movement of something, for example a wheel: Engine speed can be measured in revolutions per minute (abbreviation rpm).Revolving, rotating and spinning
(Definition of revolution noun (CIRCULAR MOVEMENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of revolution

Browse related topics

You are looking at an entry to do with Revolving, rotating and spinning, but you might be interested in these topics from the Moving in particular directions topic area:

Definitions of “revolution” in other dictionaries

Word of the Day

generous

willing to give money, help, kindness, etc., especially more than is usual or expected

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More