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thiobarbiturate in Medicine

thiobarbiturate

(thī′ō-bär-bĭchər-ĭt, -ə-rāt′, -bär′bĭ-turĭt, -āt′)
n.
  1. Any of the hypnotics of the barbiturate group in which a particular oxygen atom is replaced by a sulfur atom.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.