Definition of "tripeptide" []

• A peptide containing three amino acids. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This transdermal delivery system allows the mitochondria to receive increased levels of this protective tripeptide."
• "Glutathione is a tripeptide, a molecule composed of three amino acids, and is the most abundant and important antioxidant protective system in our cells."
• "Syn-Ake, as the compound is called, is made from a synthetic tripeptide that copies the effect of a peptide found in the venom of the Temple Viper, found in the Snake Temple of Penang, Malaysia."