quintessence /kwɪnˈtɛs.əns/noun 5verb 1forms 3 noun5 •A pure substance. •A thing that is the most perfect example of its type; the most perfect embodiment of something; epitome, prototype.As families and kindreds sometimes do; producing, after long ages of unnoted notability, some living quintescence of all the qualities they had, to flame forth as a man world-noted […] — 1837 •The essence of a thing in its purest and most concentrated form.Let ther be Light, said God, and forthwith Light, / Ethereal, first of things, quintessence pure, / Sprung from the Deep, […] — 1667 •The fifth alchemical element, or essence, after earth, air, fire, and water that fills the universe beyond the terrestrial sphere. •A hypothetical form of dark energy postulated to explain observations of an accelerating universe. verb1 •To reduce to its purest and most concentrated essence. formsquintessenced · quintessencing · quintessences