It should be used in singular: " quintaesenciada ". Is adjective f.s.derivado of the substantive or name quintessence. Therefore, as soon as the adjective, is said a thing or matter that has been refined to the maximum, in the extreme. It is to achieve the quality more pure of something. Total and extreme concentration. Has two uses at present. On the one hand, the classic, the secular, dating back to the middle ages, according to which the fifth essence was matched to the four elements fire, water, air and natural:tierra. This fifth element, or essence, hence its name, would be for the medieval alchemists ether. Is write together or separately, according to have done here. Currently, in our days, to the socaire of the expansion of the cosmos, in the Cosmology is taken, the quintessence, as form hypothetical of energy: a " energy of the vacuum ".