She wrote her name in the condensation on the side of her tea glass.
Malonic acid, as well as its esters, is characterized by the large number of condensation products it can form.
Like Anaximenes, he believed air to be the one source of all being, and all other substances to be derived from it by condensation and rarefaction.
The steam is introduced into the pipes at about the pressure of the atmosphere, and is sucked through the system by means of a vacuum pump, which at the same operation frees the pipes from air and from condensation water.
A notable example is provided by the phthaleins, which result by the condensation of phthalic anhydride with phenols.