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al·dol con·den·sa·tion

formation of an aldol (a β-hydroxy carbonyl compound) from two carbonyl compounds; the reverse reaction is an aldol cleavage; fructose 1,6-bisphosphate aldolase catalyzes such a reaction.
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(ăl′dôl, -dōl)
1. A thick, colorless to pale yellow liquid obtained from acetaldehyde and used in perfumery and as a solvent.
2. A similar aldehyde containing the group CH3OH-CO-CHOH.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.