Definition of "aldehyde" []

• Any of a class of highly reactive organic chemical compounds obtained by oxidation of primary alcohols, characterized by the common group CHO, and used in the manufacture of resins, dyes, and organic acids. (noun)
• See acetaldehyde. (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.

• "ALD-201 is a population of stem cells (ALDH (br) cells) produced using Aldagen's proprietary technology, which express high levels of an enzyme known as aldehyde dehydrogenase, or ALDH, and exhibit a variety of activities, that Aldagen believes may promote the regeneration of multiple types of cells and tissues."
• "It has been given that name, because it activates an enzyme called aldehyde dehydrogenase 2"
• "In the body, the aldehydes are broken down by a family of enzymes called aldehyde dehydrogenases."