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Definition of Ritalin™ noun from the Oxford Advanced Learner's Dictionary

Ritalin™

noun
 
/ˈrɪtəlɪn/
 
/ˈrɪtəlɪn/
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  1. a drug given to children who suffer from attention deficit disorder, to help them become calmer and concentrate better
    • He was prescribed Ritalin at the age of five.
See Ritalin in the Oxford Advanced American Dictionary
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