modafinil(redirected from Provigil)
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A nonamphetamine stimulant drug, C15H15NO2S, that promotes wakefulness and is used to treat narcolepsy and other sleep disorders.
[moda-, origin unknown + alteration of (sul)finyl, one of its constituents.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a stimulant drug used to treat narcolepsy
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