A condenser for a steam engine, in which the vacuum is maintained by the downward flow of water through a tall vertical pipe.

plural of reflux condenser

plural of Abbe condenser

A condenser composed of two lenses which concentrates and controls the light which passes through an examined specimen before that light enters the objective of a microscope, used to obtain high levels of magnification.

plural of siphon condenser

plural of spray condenser

(chemistry) A water-cooled, double walled piece of laboratory glassware that is fitted on top of a vessel of boiling liquid such that vapour condenses and flows back into the vessel, preventing the contents from boiling dry.

(physics) a superfluid phase formed by fermionic particles at low temperatures

(chemistry) The product of a condensation reaction.

(organic chemistry) A carbon–carbon bond-forming reaction that occurs between two esters or one ester and another carbonyl compound in the presence of a strong base, resulting in a β-keto ester or a β-diketone.