[ meth-uhl-fen-i-deyt, -fee-ni- ]
/ ˌmɛθ əlˈfɛn ɪˌdeɪt, -ˈfi nɪ- /
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a central nervous system stimulant, C14H19NO2, used in the control of hyperkinetic syndromes and narcolepsy.
QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!
Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?
First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.
First appeared in 1610, based on the French word “baguette” for the long loaf of bread.
First appeared in 1555, and is related to the French word “raquette” for a netted bat.TAKE THE QUIZ TO FIND OUT
Words nearby methylphenidate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Medical definitions for methylphenidate
[ mĕth′əl-fĕn′ĭ-dāt′, -fē′nĭ- ]
A drug chemically related to amphetamine and that acts as a mild stimulant of the central nervous system, used especially in the form of its hydrochloride for the treatment of narcolepsy in adults and hyperkinetic disorders in children.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.