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thio acid

noun, Chemistry.
an acid in which part or all of the oxygen has been replaced by sulfur.
Origin of thio acid
1890-95 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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thioacid in Medicine

thioacid thi·o·ac·id (thī'ō-ās'ĭd)
An organic acid in which one or more of the oxygen atoms have been replaced by sulfur atoms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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