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condensation |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.03 sec. |
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condensation /con·den·sa·tion/ (kon?den-sa´shun) 1. conversion from a gaseous to a liquid or solid phase. 2. compression (1). 3. the packing of dental filling materials into a tooth cavity. 4. a mental process in which one symbol stands for a number of components and contains all the emotions associated with them.
condensation (k n 1. change in phase of a substance from a gas or vapor phase to a liquid or solid phase. 2. the process of combining two different molecules by eliminating a simple molecule like water. condensation (kän´densā´sh n a commonly used term for the insertion and compression or compaction of dental materials into a prepared cavity. Compaction is a more accurate term than condensation. See also compaction. condensation 1. the act of rendering, or the process of becoming, more compact. 2. the process of passing from a gaseous to a liquid or solid phase. In animal housing this is a matter of great importance because of the need for a dry environment as a prevention against the spread of infection, especially those spread by inhalation. |
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Also, the reaction with the surface must be reasonably competitive with the intramolecular silane condensation reaction, or the silane will be consumed in forming the siloxane network without the anchor to the surface. These organosilane intermediates, in the absence of substrates such as silica or similar minerals, or in the absence of hydroxyl-, amino- or carboxylic acid-containing organic compounds, undergo a complex series of hydrolysis and self condensation reactions leading to dimers, trimers, tetramers and ultimately oligomers and polymers designated as silsesquioxanes, [RSi[O. Furans--These two-part systems cure by a condensation reaction in which water is produced as a by-product of the reaction. |
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