Definition of “revolution” - English Dictionary

“revolution” in British English

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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.

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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.

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(Definition of “revolution” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“revolution” in American English

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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 Business English

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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.
the digital/internet/IT revolution

(Definition of “revolution” from the Cambridge Business English Dictionary © Cambridge University Press)