glu·ta·thi·one (glū'tə-thī'ōn')
n.
A polypeptide, C₁₀H₁₇N₃O₆S, of glycine, cysteine, and glutamic acid that occurs widely in plant and animal tissues and is important in biological oxidation-reduction reactions.

[GLUTA(MINE) + THI(O)- + -ONE.]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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