what is syneresis
Syneresis (also spelled 'synaeresis' synÃ¦resis 'or'), synaeresis in, chemistry is the extraction or expulsion of a liquid from a, gel as when serum drains from a contracting clot of. Blood another example of syneresis is the collection of whey on the surface of. yogurtn dentistry, syneresis is the expulsion of water or other liquid molecules from dental impression materials (Alginate for example) after an impression has been taken. Due to this process, the impression shrinks a little and therefore its size is no longer accurate.