radian Meaning 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

Meaning of “radian” in the English Dictionary

"radian" in British English

See all translations

radiannoun [C]

/ˈreɪ.di.ən/  us   /ˈreɪ.di.ən/ specialized
(Definition of radian from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"radian" in American English

See all translations

radiannoun [C]

 us   /ˈreɪ·di·ən/
geometry the ​measure of an ​angle at the ​center of a ​circleopposite an ​arc (= ​part of the ​edge of a ​circle) that is the same ​length as the ​radius (= ​line from the ​center to the ​edge of the ​circle)
(Definition of radian from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of radian?
Add Cambridge dictionaries to your browser to your website
There, their and they’re – which one should you use?
There, their and they’re – which one should you use?
by ,
April 27, 2016
by Liz Walter If you are a learner of English and you are confused about the words there, their and they’re, let me reassure you: many, many people with English as their first language share your problem! You only have to take a look at the ‘comments’ sections on the website of, for example, a popular

Read More 

Word of the Day

flavoursome

having good flavour or a lot of flavour

Word of the Day

bio-banding noun
bio-banding noun
April 25, 2016
in sport, grouping children according to their physical maturity rather than their age ‘When we’re grouping children for sports, we do it by age groups, but the problem is that, within those age groups, we get huge variations in biological age,’ said Dr Sean Cumming, senior lecturer at the University of Bath’s department for

Read More