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Definition of R noun from the Oxford Advanced American Dictionary

 

R

 noun
noun
NAmE//ɑr//
 
r (pl. Rs, R's, r's
NAmE//ɑrz//
 
) [countable, uncountable]
 
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  • the 18th letter of the English alphabet “Rose” begins with (an) R/“R.”
    • Idioms
    the three Rs (old-fashioned)
     
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    reading, writing, and arithmetic, thought to be the most important parts of a child's education
    See R in the Oxford Advanced Learner's Dictionary
    Check pronunciation: R

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