No the word quintessential is not a noun. It is an adjective.
The quintessential ingredient in cake is flour.
Quintessential Vocal Ensemble was created in 1993.
Her comportment throughout the ordeal displayed a quintessential bravery.
"Quintessential" is an adjective that describes the perfect example of a particular type, The quintessential quarterback would be one who has all of the traits and qualities those who are knowledgeable about football would expect from a quarterback. There are quintessential villains and heroes. It could be that "quintessential" is generally used to describe people, but that may not be necessarily true.
It is of utmost importance to understand what plagiarism is when attempting to provide the quintessential answer.
Can is a is a quintessential of auxiliary verbwhich is also known as modal and has the ability to change the meaning of a verb.in different ways.
That photograph caught a quintessential moment in our nation's hsitory.
Beyond our solar system, the heavens are made up of only quintessential elements.
maybe, maybe not
typical
As a quintessential, or perfect and typical, Jew, Jesus would have accepted without question the Mosaic law, including the law that forbade work on the Sabbath. By failing to observe these laws, Jesus could not have been the quintessential Jew.