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In Freudian psychoanalysis, a condensation (German: Verdichtung) is when a single idea (an image, memory, or thought) or dream object stands for several associations and ideas. This is an energetic reshuffling in which mental energy flows freely from one idea etc. to another.
In organic chemistry, a condensation reaction is a type of chemical reaction in which two molecules are combined to form a single molecule, usually with the loss of a small molecule such as water. [1] If water is lost, the reaction is also known as a dehydration synthesis.
Condensation is the change of the state of matter from the gas phase into the liquid phase, and is the reverse of vaporization. The word most often refers to the water cycle . [ 1 ] It can also be defined as the change in the state of water vapor to liquid water when in contact with a liquid or solid surface or cloud condensation nuclei within ...
Taking advantage of the relaxation of vigilance during sleep, the repressed thoughts are able to partially gain access by associating themselves with non-threatening thoughts and images, primarily by means of what Freud called condensation and displacement. Thus the manifest content is a representation of the latent content in a disguised and ...
In organic chemistry, the Claisen–Schmidt condensation is the reaction between an aldehyde or ketone having an α-hydrogen with an aromatic carbonyl compound lacking an α-hydrogen. It can be considered as a specific variation of the aldol condensation .
Condensation reaction, in chemistry, a chemical reaction between two molecules or moieties Condensation algorithm , in computer science, a computer vision algorithm Condensation (graph theory) , in mathematics, a directed acyclic graph formed by contracting the strongly connected components of another graph
It is a modification of the aldol condensation. [1] [2] A Knoevenagel condensation is a nucleophilic addition of an active hydrogen compound to a carbonyl group followed by a dehydration reaction in which a molecule of water is eliminated (hence condensation). The product is often an α,β-unsaturated ketone (a conjugated enone).
With origins in psychology, sociology, and semiotic research, a condensation symbol is "a single symbol that represents multiple emotions, ideas, feelings, memories, or impulses”. Sigmund Freud first defined condensation in dreams as "fusing several different elements into one."