keystone 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 “keystone” - English Dictionary

"keystone" in British English

See all translations

keystonenoun [C]

uk   /ˈkiː.stəʊn/ us   /ˈkiː.stoʊn/
(Definition of keystone from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

"keystone" in Business English

See all translations

keystonenoun [C]

uk   /ˈkiːstəʊn/ us  
the most important part of a plan, idea, etc. on which everything else depends: Selling overseas has been, and always will remain, one of the keystones of our national prosperity. A keystone of its corporate strategy is to invest in people, technology, and training to create a brand.
(Definition of keystone from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “keystone”
in Chinese (Simplified) 石, 拱顶石, 塞缝石…
in Chinese (Traditional) 石, 拱頂石, 塞縫石…
What is the pronunciation of keystone?
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

ray

a narrow beam of light, heat, etc. travelling in a straight line from its place of origin

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