Definitionen
1.NounA thing that is the most perfect example of its type; the most perfect embodiment of something; epitome, prototype.
2.NounA pure substance."(Can we add an example for this sense?)"
3.NounThe essence of a thing in its purest and most concentrated form.
4.NounThe fifth alchemical element, or essence, after earth, air, fire, and water that fills the universe beyond the terrestrial sphere.
5.NounA hypothetical form of dark energy postulated to explain observations of an accelerating universe.
6.VerbTo reduce to its purest and most concentrated essence.