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Ritalin

[rit-l-in]
Pharmacology, Trademark.
  1. a brand of methylphenidate in its hydrochloride form.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ritalin

Ritalin

noun
  1. trademark a preparation of methylphenidate, a drug related to amphetamine, used to treat attention deficit disorder in children
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ritalin

Ritalin

n.

proprietary name (Ciba Ltd., originally in Switzerland) for drug methylphenidate hydrochloride, copyrighted 1948, years before the drug itself was marketed.

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Online Etymology Dictionary, © 2010 Douglas Harper

ritalin in Medicine

Ritalin

(rĭtl-ĭn)
  1. A trademark for the drug methylphenidate.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.