1. Making more solid or dense. 2. The change of a gas to a liquid, or of a liquid to a solid. 3. In psychoanalysis, an unconscious mental process in which one symbol stands for a number of others. 4. In dentistry, the process of packing a filling material into a cavity, using such force and direction that no voids result. [L. con- denso, pp. -atus, to make thick, condense]
aldol c. formation of an aldol (a beta-hydroxy carbonyl compound) from two carbonyl compounds; the reverse reaction is an aldol cleavage; fructose 1,6-bisphosphate aldolase catalyzes such a reaction.
Claisen c. the formation of a beta-keto ester from two esters, one of which has an a-hydrogen atom; malate synthase, citrate synthase, and ATP citrate lyase all catalyze such reactions.
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